An Elk Grove man allegedly posing as a police officer has been arrested for sexual assault. Police officials believe there may be other unreported attacks and are urging victims to step forward.

Stockton police have arrested 41-year-old Udit Narayan and believe he is connected to two incidents from November of 2006 and one reported February ninth, 2007.

Narayan works in Stockton but is a resident of Elk Grove. He is 5'11", 180 lbs, with black hair and brown eyes.

Anyone with information on these or other unreported cases involving Narayan should contact the investigation department of the Stockton Police at 209-987-8323.