Matthew Trokey was a resident of St. Louis Hills, St. Louis. ^{[2] [1] [0]}

Trokey married Mary Jo Trokey on January 11, 2014. The couple both had a baby together, Taylor Rose Trokey. ^{[3] [2]}

He graduated from the University of Missouri, where he earned a bachelor’s degree in psychology and sociology with a minor in business. ^{[2] [1] [0]}

On Friday, February 2, 2018, Matthew, his wife, and 3-month-old daughter were found deceased in the 6200 block of Kinsey Place at about 3:45 p.m local time. ^{[2] [1]}

Investigators believe Mary Jo was the shooter in the double murder-suicide. ^{[2] [1]}