Investigators say a 63 year old Paradise man is a suspect in three recent robberies. Chico Police say Douglas Friedrich was arrested Saturday night after allegedly trying to rob the Sierra Wine and Deli at gunpoint. Police say he was disarmed after a struggle with the store clerk. Police say Friedrich is also a suspect in robberies at the Circle K on Friday and Shell Station in Oroville on Thursday. He's been booked into the county jail.