Muslim sisters shot in execution style killer obsessed with their headscarf

Autopsies show that the man charged with killing three Muslim college students held his gun to the heads of two victims when he pulled the trigger after shooting the first in the doorway.

Yusor Mohammad Abu-Salha, 21, and her sister, 19-year-old Razan Mohammad Abu-Salha, died of contact wounds to the head, indicating the gun used by suspected murderer Craig Stephen Hicks was very close to or against their scalps.

The older woman was shot in the top of the head during the February 10 attack. Her sister was shot in the back of the head by the 46-year-old.

Yusor Abu-Salha's husband, Deah Shaddy Barakat, a 23-year-old dental student at University of North Carolina, died of four gunshot wounds in the doorway