TWENTY-SEVEN YEAR OLD MATTHEW CHAVEZ IS ACCUSED OF KILLING 24 YEAR OLD FORMER ARMY SERGEANT TYLER LACKEY IN FEBRUARY OF 2016. CHAVEZ NOW FACES 7 CHARGES IN THE CASE, INCLUDING MURDER AND ARSON IN LACKEY’S DEATH. CHANNEL 7 NEWS REPORTS CHAVEZ SET HIS GETAWAY CAR ON FIRE AND LEFT THE STATE.…… MORE