The pursuit policy of the Pennsylvania State Police was put under scrutiny after the chase ended in a crash

Exclusive video showing part of a Pennsylvania State Police chase ending in a crash in Delaware County puts the agency's pursuit policy under scrutiny.

There are unanswered questions from state police as they continue their search Friday for the people inside a car during a pursuit in Delaware County. The chase ended in a crash just steps from a busy intersection. Only CBS News Philadelphia has video of troopers chasing that car. Joe Holden reports the latest on the high-speed chase.

CCTV footage shows a high-speed police car chase of a teenager in a stolen pick-up truck that ended in the death of police officer Dave Phillips