CHICAGO (CBS) —  A woman found dead on the side of the road in Will County was shot.

Deputies say the body of 21-year old Marrisa Koziel was found by a group of teens walking on the 1500 block of California in Joliet.

Today an autopsy revealed she suffered a single gunshot wound.

Police are treating her death as a homicide.

Koziel’s family reported her missing last week after they hadn’t seen her since February 1.