Kirk Luther
@kirkluther.bsky.social
Associate Professor of Psychology, Carleton University | Researching Investigative Interviewing, Safeguarding Legal Rights | Tired dad of 3
1/ 📢 New in #APB!
We’re introducing case law briefs: plain-language summaries of important court decisions. Our first: Barnes v. Felix (U.S. Supreme Court, 2025). 🧵👇
We’re introducing case law briefs: plain-language summaries of important court decisions. Our first: Barnes v. Felix (U.S. Supreme Court, 2025). 🧵👇
August 13, 2025 at 12:33 PM
1/ 📢 New in #APB!
We’re introducing case law briefs: plain-language summaries of important court decisions. Our first: Barnes v. Felix (U.S. Supreme Court, 2025). 🧵👇
We’re introducing case law briefs: plain-language summaries of important court decisions. Our first: Barnes v. Felix (U.S. Supreme Court, 2025). 🧵👇
1/#APB Summer 2025 Spotlight, Day 21! In an active shooter event, do police rush in or wait for backup? Today’s APB brief studied 796 officers rating 324 scenarios. 🧵👇
#ActiveShooterResponse #APBJournal
#ActiveShooterResponse #APBJournal
August 12, 2025 at 3:23 PM
1/#APB Summer 2025 Spotlight, Day 21! In an active shooter event, do police rush in or wait for backup? Today’s APB brief studied 796 officers rating 324 scenarios. 🧵👇
#ActiveShooterResponse #APBJournal
#ActiveShooterResponse #APBJournal
1/#APB Summer 2025 Spotlight Day 20! Many people misunderstand police use of force - how often it’s used, officer shooting accuracy, & training levels. Research by Ariane-Jade Khanizadeh, Craig Bennell, & Heather McGale tests if public education can fix that. 🧵👇
August 11, 2025 at 12:14 PM
1/#APB Summer 2025 Spotlight Day 20! Many people misunderstand police use of force - how often it’s used, officer shooting accuracy, & training levels. Research by Ariane-Jade Khanizadeh, Craig Bennell, & Heather McGale tests if public education can fix that. 🧵👇
1/#APB Summer 2025 Spotlight, Day 19! Canada does not have a national police use-of-force database. Without it, trust suffers, myths persist, & training can’t be fully informed. 🧵👇
August 10, 2025 at 2:40 PM
1/#APB Summer 2025 Spotlight, Day 19! Canada does not have a national police use-of-force database. Without it, trust suffers, myths persist, & training can’t be fully informed. 🧵👇
1/ #APB Summer 2025 Spotlight, Day 17! High-pressure situations, like facing an armed suspect, can cut police shooting accuracy by 14.8% and slow decisions. Today’s APB brief explores how to fix that! 🧵👇
August 8, 2025 at 1:43 PM
1/ #APB Summer 2025 Spotlight, Day 17! High-pressure situations, like facing an armed suspect, can cut police shooting accuracy by 14.8% and slow decisions. Today’s APB brief explores how to fix that! 🧵👇
1/#APB Summer 2025 Spotlight, Day 16! Research by Louise Porter and colleagues explores BWC cameras as a training tool & how recruits used BWC footage to reflect on their own performance. 🧵👇
August 7, 2025 at 1:09 PM
1/#APB Summer 2025 Spotlight, Day 16! Research by Louise Porter and colleagues explores BWC cameras as a training tool & how recruits used BWC footage to reflect on their own performance. 🧵👇
1/ #APB Summer 2025 Showcase, Day 15! Does anti-bias training work? Today’s APB brief reports a rare field experiment testing anti-bias training. Results: real behaviour change + fewer complaints. 🧵👇
August 6, 2025 at 5:09 PM
1/ #APB Summer 2025 Showcase, Day 15! Does anti-bias training work? Today’s APB brief reports a rare field experiment testing anti-bias training. Results: real behaviour change + fewer complaints. 🧵👇
1/ #APB Summer 2025 Spotlight, Day 14! Can mindfulness help officers manage stress, burnout, and mental health? Léa Plisson
& Shannon Ferguson highlight new a meta-analysis of mindfulness training in policing. 🧵👇
& Shannon Ferguson highlight new a meta-analysis of mindfulness training in policing. 🧵👇
August 5, 2025 at 1:42 PM
1/ #APB Summer 2025 Spotlight, Day 14! Can mindfulness help officers manage stress, burnout, and mental health? Léa Plisson
& Shannon Ferguson highlight new a meta-analysis of mindfulness training in policing. 🧵👇
& Shannon Ferguson highlight new a meta-analysis of mindfulness training in policing. 🧵👇
#APB Summer 2025 Spotlight, Day 13! RCMP officers report higher rates of suicidal ideation, planning, and attempts than previous samples of public safety personnel. Today’s APB brief sheds light on this complex issue.🧵👇
August 4, 2025 at 12:14 PM
#APB Summer 2025 Spotlight, Day 13! RCMP officers report higher rates of suicidal ideation, planning, and attempts than previous samples of public safety personnel. Today’s APB brief sheds light on this complex issue.🧵👇
1/ #APB Summer Showcase Day 12! Policing trauma isn’t just on the streets. Research by @drcodyporter.bsky.social & Paul Gavin shows how internal culture and management failures drive mental health issues, sometimes more than operational stress. 🧵👇
August 3, 2025 at 1:14 PM
1/ #APB Summer Showcase Day 12! Policing trauma isn’t just on the streets. Research by @drcodyporter.bsky.social & Paul Gavin shows how internal culture and management failures drive mental health issues, sometimes more than operational stress. 🧵👇
1/#APB Summer 2025 Spotlight Day 11!
What happens when “macho” police culture meets mental illness? Research by @drcodyporter.bsky.social & Rory Lee shares insights from retired UK officers. 🧵👇
What happens when “macho” police culture meets mental illness? Research by @drcodyporter.bsky.social & Rory Lee shares insights from retired UK officers. 🧵👇
August 2, 2025 at 12:26 PM
1/#APB Summer 2025 Spotlight Day 11!
What happens when “macho” police culture meets mental illness? Research by @drcodyporter.bsky.social & Rory Lee shares insights from retired UK officers. 🧵👇
What happens when “macho” police culture meets mental illness? Research by @drcodyporter.bsky.social & Rory Lee shares insights from retired UK officers. 🧵👇
1/#APB Summer 2025 Spotlight Day 10! Does banning the Thin Blue Line (TBL) patch impact police officers? Research by
Zachary Towns & Rosemary Ricciardelli explores how some Canadian officers see these bans as a form of moral injury, and a step backward for mental health stigma. 🧵👇
Zachary Towns & Rosemary Ricciardelli explores how some Canadian officers see these bans as a form of moral injury, and a step backward for mental health stigma. 🧵👇
August 1, 2025 at 2:02 PM
1/#APB Summer 2025 Spotlight Day 10! Does banning the Thin Blue Line (TBL) patch impact police officers? Research by
Zachary Towns & Rosemary Ricciardelli explores how some Canadian officers see these bans as a form of moral injury, and a step backward for mental health stigma. 🧵👇
Zachary Towns & Rosemary Ricciardelli explores how some Canadian officers see these bans as a form of moral injury, and a step backward for mental health stigma. 🧵👇
1/ 🧠 How much do we remember about a totally ordinary day...months later? Today’s #APB brief by yours truly😉,
Madison Harvey, & Heather Price tackles memory recall for “unremarkable” events that only became important in hindsight. 🧵👇
Madison Harvey, & Heather Price tackles memory recall for “unremarkable” events that only became important in hindsight. 🧵👇
July 31, 2025 at 2:12 PM
1/ 🧠 How much do we remember about a totally ordinary day...months later? Today’s #APB brief by yours truly😉,
Madison Harvey, & Heather Price tackles memory recall for “unremarkable” events that only became important in hindsight. 🧵👇
Madison Harvey, & Heather Price tackles memory recall for “unremarkable” events that only became important in hindsight. 🧵👇
1/ Can you convict without a confession? Today’s #APB brief by
@funmiogunseye.bsky.social, @cassandredionl.bsky.social, Quintan Crough, Paul Mitton, & Joseph Eastwood highlights a homicide case where the PEACE model helped gather key admissions; no coercion, no confession needed. 🧵👇
@funmiogunseye.bsky.social, @cassandredionl.bsky.social, Quintan Crough, Paul Mitton, & Joseph Eastwood highlights a homicide case where the PEACE model helped gather key admissions; no coercion, no confession needed. 🧵👇
July 30, 2025 at 11:21 AM
1/ Can you convict without a confession? Today’s #APB brief by
@funmiogunseye.bsky.social, @cassandredionl.bsky.social, Quintan Crough, Paul Mitton, & Joseph Eastwood highlights a homicide case where the PEACE model helped gather key admissions; no coercion, no confession needed. 🧵👇
@funmiogunseye.bsky.social, @cassandredionl.bsky.social, Quintan Crough, Paul Mitton, & Joseph Eastwood highlights a homicide case where the PEACE model helped gather key admissions; no coercion, no confession needed. 🧵👇
1/ 🗣️ What does empathy and respect look like in suspect interviews?
Today’s #APB spotlight by Gabrina Pounds offers practical guidance from real transcripts. 🧵👇
Today’s #APB spotlight by Gabrina Pounds offers practical guidance from real transcripts. 🧵👇
July 29, 2025 at 1:28 PM
1/ 🗣️ What does empathy and respect look like in suspect interviews?
Today’s #APB spotlight by Gabrina Pounds offers practical guidance from real transcripts. 🧵👇
Today’s #APB spotlight by Gabrina Pounds offers practical guidance from real transcripts. 🧵👇
1/ 🏢 Do police stations deter crime in the surrounding area? Today’s #APB showcase by Holly Thomson & Rémi Boivin explores what happened when 2 stations in Montreal closed. 🧵👇
July 28, 2025 at 11:55 AM
1/ 🏢 Do police stations deter crime in the surrounding area? Today’s #APB showcase by Holly Thomson & Rémi Boivin explores what happened when 2 stations in Montreal closed. 🧵👇
1/ 🏡 Can a simple door hanger reduce property crime?
Today’s APB brief highlights a randomized trial where police dropped off flyers after burglaries.
The result? Significant drops in total property crimes + thefts.
#Policing #CrimePrevention
Today’s APB brief highlights a randomized trial where police dropped off flyers after burglaries.
The result? Significant drops in total property crimes + thefts.
#Policing #CrimePrevention
July 27, 2025 at 5:21 PM
1/ 🏡 Can a simple door hanger reduce property crime?
Today’s APB brief highlights a randomized trial where police dropped off flyers after burglaries.
The result? Significant drops in total property crimes + thefts.
#Policing #CrimePrevention
Today’s APB brief highlights a randomized trial where police dropped off flyers after burglaries.
The result? Significant drops in total property crimes + thefts.
#Policing #CrimePrevention
APB showcase day 4 by Chloe Thomas, Kayla Allison, & Natalie Hipple!
How do police respond to homelessness?
Today’s APB brief features a field-informed menu of police responses based on interviews + social media from 6 U.S. jurisdictions. 🧵👇(1/4)
#Policing #Homelessness
How do police respond to homelessness?
Today’s APB brief features a field-informed menu of police responses based on interviews + social media from 6 U.S. jurisdictions. 🧵👇(1/4)
#Policing #Homelessness
July 24, 2025 at 2:00 PM
APB showcase day 4 by Chloe Thomas, Kayla Allison, & Natalie Hipple!
How do police respond to homelessness?
Today’s APB brief features a field-informed menu of police responses based on interviews + social media from 6 U.S. jurisdictions. 🧵👇(1/4)
#Policing #Homelessness
How do police respond to homelessness?
Today’s APB brief features a field-informed menu of police responses based on interviews + social media from 6 U.S. jurisdictions. 🧵👇(1/4)
#Policing #Homelessness
Today’s APB spotlight by @dakca.bsky.social & Lisa Jewell.
Can mentorship over enforcement reduce youth violence in Indigenous communities? The NYVRP in northern Saskatchewan says yes! 🧵👇(1/4)
Can mentorship over enforcement reduce youth violence in Indigenous communities? The NYVRP in northern Saskatchewan says yes! 🧵👇(1/4)
July 23, 2025 at 4:53 PM
Today’s APB spotlight by @dakca.bsky.social & Lisa Jewell.
Can mentorship over enforcement reduce youth violence in Indigenous communities? The NYVRP in northern Saskatchewan says yes! 🧵👇(1/4)
Can mentorship over enforcement reduce youth violence in Indigenous communities? The NYVRP in northern Saskatchewan says yes! 🧵👇(1/4)
Today’s APB spotlight by Sierra Lucier & Quintan Crough: How do officer attire, gender, and public trust in police influence courtroom outcomes? 🧵👇(1/4)
#Policing #EvidenceBased
#Policing #EvidenceBased
July 22, 2025 at 4:47 PM
Today’s APB spotlight by Sierra Lucier & Quintan Crough: How do officer attire, gender, and public trust in police influence courtroom outcomes? 🧵👇(1/4)
#Policing #EvidenceBased
#Policing #EvidenceBased
#APB Spotlight Day 1, written by Sophie Curtis-Ham, Ryan Jones, & Cathrin Jordan, explores how we can measure police effort. Introducing the Police Response Effort Index (PREI), a new tool to quantify how much time different calls for service take. 🧵👇(1/5)
July 21, 2025 at 7:17 PM
#APB Spotlight Day 1, written by Sophie Curtis-Ham, Ryan Jones, & Cathrin Jordan, explores how we can measure police effort. Introducing the Police Response Effort Index (PREI), a new tool to quantify how much time different calls for service take. 🧵👇(1/5)
🚨 The Summer 2025 issue of Applied Police Briefings (APB) is out now – and we’ve hit a major milestone: 16,000+ views/downloads! Thanks to everyone who reads, shares, and contributes. 🙌
🔗 appliedpolicebriefings.com
#Policing #CriminalJustice (1/4)
🔗 appliedpolicebriefings.com
#Policing #CriminalJustice (1/4)
July 18, 2025 at 3:20 PM
🚨 The Summer 2025 issue of Applied Police Briefings (APB) is out now – and we’ve hit a major milestone: 16,000+ views/downloads! Thanks to everyone who reads, shares, and contributes. 🙌
🔗 appliedpolicebriefings.com
#Policing #CriminalJustice (1/4)
🔗 appliedpolicebriefings.com
#Policing #CriminalJustice (1/4)
Final Spring 2025 #APB showcase! How do women break into elite police specialty units like SWAT or K-9?
Research by Katharine Brown & Natalie Todak distills success strategies from 32 officers in such units. Essential reading for officers and recruiters alike! 🧵👇 (1/4)
Research by Katharine Brown & Natalie Todak distills success strategies from 32 officers in such units. Essential reading for officers and recruiters alike! 🧵👇 (1/4)
April 19, 2025 at 12:59 PM
Final Spring 2025 #APB showcase! How do women break into elite police specialty units like SWAT or K-9?
Research by Katharine Brown & Natalie Todak distills success strategies from 32 officers in such units. Essential reading for officers and recruiters alike! 🧵👇 (1/4)
Research by Katharine Brown & Natalie Todak distills success strategies from 32 officers in such units. Essential reading for officers and recruiters alike! 🧵👇 (1/4)
#APB Spotlight Day 17! One officer or two?
Research by @rylansimpson.bsky.social & Leigh Grossman compares single- vs. double-crewed patrol units in Oakland, CA and finds surprisingly few differences in how calls for service are handled. 🧵👇(1/4)
Research by @rylansimpson.bsky.social & Leigh Grossman compares single- vs. double-crewed patrol units in Oakland, CA and finds surprisingly few differences in how calls for service are handled. 🧵👇(1/4)
April 18, 2025 at 6:39 PM
#APB Spotlight Day 17! One officer or two?
Research by @rylansimpson.bsky.social & Leigh Grossman compares single- vs. double-crewed patrol units in Oakland, CA and finds surprisingly few differences in how calls for service are handled. 🧵👇(1/4)
Research by @rylansimpson.bsky.social & Leigh Grossman compares single- vs. double-crewed patrol units in Oakland, CA and finds surprisingly few differences in how calls for service are handled. 🧵👇(1/4)
#APB Spotlight Day 16! What is de-escalation in policing? A new brief by Shannon Ferguson & Tori Semple highlights research that officers and trainers have no shared definition, making it hard to train, evaluate, or even talk about effectively. 🧵👇 (1/4)
April 17, 2025 at 2:32 PM
#APB Spotlight Day 16! What is de-escalation in policing? A new brief by Shannon Ferguson & Tori Semple highlights research that officers and trainers have no shared definition, making it hard to train, evaluate, or even talk about effectively. 🧵👇 (1/4)