The Charlottetown Guardian (31 March 2008) :

Charlottetown police seek suspect in armed robbery at Tim Hortons outlet:

Charlottetown City Police are seeking a male suspect in connection with an armed robbery early Saturday at the Tim Hortons outlet on St. Peters Road.Police said they received a call at 3:15 a.m. after a man walked up to the drive-thru window and offered up a roll of quarters.The female attendant said the man then pulled out a knife and demanded the cash drawer. The clerk passed the drawer through the window and the man fled on foot with an undisclosed amount of cash...

Why didn't she just close the window?