Drummond's criminal past stretches over a decade into the past, as he was convicted of aggravated robbery in 2014 after robbing a convenience store in Jackson, Tennessee the year prior, according to WREG-TV in Memphis. The suspect spent 13 years behind bars, during which he picked up an additional charge for retaliation, according to Fox News.

Austin Drummond is suspected of having killed four people in Tiptonville, Tennessee, and remains at large, with a manhunt on to find him.