Officer Charles Cassidy, the Philadelphia police officer who unknowingly walked into an armed holdup on Wednesday morning, died of a gunshot wound to the head on Thursday morning, police said.

The killer is still on the loose.

Cassidy, 54, a husband and father of three, was shot in the head when he walked into a West Oak Lane Dunkin' Donuts for a routine check on Wednesday at about 10:30 a.m.

My Condolence go out to The Men and Women of The Philadelphia Police Department.

I had a chance to meet Charles in the past.He was a very Nice and caring guy.

We will miss you
God Bless you and your family as well as the Philadelphia Police Department.