Phoenix Law Enforcement Association

Deputy Sheriff Mark A Cox

Deputy Sheriff Mark Cox suffered a fatal heart attack while conducting canine training on the 600 block of County Road 202 in Liberty Hill, Texas, at 10:00 am.Deputy Cox was...

Deputy Sheriff Mark Cox suffered a fatal heart attack while conducting canine training on the 600 block of County Road 202 in Liberty Hill, Texas, at 10:00 am.

Deputy Cox was…