Simpson allegedly killed Hermann Police Department Detective Sgt. Mason Griffith and injured New Haven Police Officer Adam Sullentrup as they approached him just before 9 p.m. Sunday to take him into custody on multiple outstanding warrants, FOX 2 reports.
"The community is hurting, the law enforcement community is hurting, this happens way too often," Missouri State Highway Patrol Sgt. Mike Mitchell told the TV station.
SUSPECTED MISSOURI COP KILLER ARRESTED AFTER STANDOFF
Shooting suspect Kenneth Lee Simpson, left, and Hermann Police Detective Sergeant Mason Griffith, right, who died at the hospital. (Missouri State Highway Patrol)
The shooting prompted a Blue Alert from the Missouri State Highway Patrol, which was asked to investigate.
Simpson reportedly turned himself in after a 12-hour-long standoff. He reportedly has a long criminal history dating back to 2004 with several current pending cases. He has allegedly been on the run from authorities since April 2022.