SJP Surro-Gate -- At the Sound of the Beep...

6/17/2009 2:30 PM PDT

SJP Surro-Gate -- At the Sound of the Beep...

The burglars allegedly sent to the home of Sarah Jessica Parker's surrogate were on the hunt for voice mail messages left by SJP, according to sources.

A law enforcement source tells us cops have hard evidence to prove that the police chiefs under investigation were in on the plot. We're told the investigation will take 2 - 3 weeks to complete.