Detectives say thieves "pop" the window to get in and out in about 5 to 10 seconds.
Channel 4's Jennifer Waugh speaks with St. Johns County Detective Kip Brantley, about the purse theft ring he's been investigating for weeks.
St. Johns County Detective Kip Brantley points to the area of the car window that he says thieves target. Brantley says they use a "window punch" to shatter the entire window at once.
This is a surveillance photo from January 11, 2013, from a bank on Lane Avenue. The woman in this picture is believed to be part of the purse theft ring.
This is a surveillance photo from the same day, January 11, 2013, at a bank on Atlantic Boulevard near the Woods subdivision.
This is a surveillance photo from January 15, 2013 in Julington Creek. Detectives believe this woman is part of the purse theft ring, targeting different areas of Northeast Florida.