biographical data

Jonathan Mattingly biography: 13 things about Louisville cop involved in Breonna Taylor case

Jonathan Mattingly (©Louisville Metro Police Department)

Jonathan Mattingly (©Louisville Metro Police Department)

Jonathan Mattingly is one of the three white Louisville Metro Police Department officers involved in the fatal shooting of Breonna Taylor. The victim was a 26-year-old African-American emergency room technician for the University of Louisville Jewish Hospital in Louisville, Kentucky, United States.

On March 13, 2020, Mattingly and his fellow LMPD offers Brett Hankison and Myles Cosgrove were conducting an investigation centered on Jamarcus Cordell Glover and Adrian Orlandes Walker. The three cops raided Taylor’s apartment in southwest Jefferson County while she and boyfriend Kenneth Walker were asleep.

Kenneth thought they were broken into so he fired his gun and shot Mattingly in the leg. In response, Mattingly, Hankison and Cosgrove blindly fired at least 22 gunshots into the building, some of which entered other apartments and Taylor, who was shot eight times, died in the hall of the apartment.

Hours after raiding Taylor’s apartment, Mattingly underwent surgery to treat the gunshot wound to his leg. Here are 13 more facts about the cop from Louisville:

  1. He joined the LMPD as a police officer in June 2000.
  2. He was 27 years old when he joined the LMPD.
  3. As an LMPD officer, he played significant roles in many drug busts and firearm seizures and received a lot of commendations, letters of appreciation and award nominations. He worked in the 2nd, 3rd, 7th and 4th divisions.
  4. In 2001, he helped a citizen find a lost dog.
  5. In 2009, he was sworn in as a sergeant.
  6. On November 29, 2006, he stopped Tobias Jones, who was charged with being a felon in possession of a firearm, and the latter filed a case heard by an appellate court in 2008. The appeal was denied as the court found that Jones’ rights were not violated.
  7. In 2012, he was promoted to the LMPD’s Violent Incident Prevention, Enforcement and Response (VIPER) unit, which targeted hot spots of violent crime and the most wanted criminals in Louisville.
  8. In 2015, the VIPER unit rebranded as the 9th Mobile Division and he was still part of the new division.
  9. From the 4th Division, he was promoted to the LMPD’s narcotics division in November 2016.
  10. He was commended for his outstanding leadership after helping seize 47 pounds of heroin and 32 pounds of meth in 2017.
  11. In April 2017, he used force against a suspect and failed to complete the proper documentation on the same day but the reprimand came with no further sanctions and received a letter of reprimand for it in 2018.
  12. On September 22, 2020, he sent a six-paragraph email to more than 1,000 of his fellow LMPD officers, in which he defended his actions on March 13, 2020 when he, Hankison and Cosgrove raided Taylor’s apartment.
  13. He, Hankison and Cosgrove were not charged with firing at or killing Taylor during a grand jury proceeding on September 23, 2020.

11 replies »

  1. Breonna was NOT still an EMT. She was fired in 2016 after being an EMT for 5 months. She assisted her (unfaithful boy friend) Ken Walker with his drug dealing. That is why there was a warrant for her arrest as well. Ken shot first, then used Breonna’s body as a human shield.


  2. I desire to meet and give support to former officer Mattingly as these times must be very difficult for Him and His Family. Would also desire to see the video in question that was played at the restaurant that caused other dinners to be upset about it. As citizens we have a right to gather in a peaceful manner and receive information that maybe the media may feel would cause emotional harm or to distress to some ethnic group. The 12-million-dollar payout has me ……….upset. How can I give support to former officer Mattingly? I pray for Mattingly and His Family Randy Kehrt Hikes Point


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