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The Law Office of Robert Tayac
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Expert Profiles

Alan McCann

Alan McCann is a 33-year member of the San Francisco Police Department. Trained in accident investigation and reconstruction, Mr. McCann has conducted over 1,000 DUI investigations and made over 600 DUI arrests. Mr. McCann holds basic, intermediate, and advanced POST (Peace Officer’s Standards and Training) Certificates. He was also awarded the San Francisco Police Department’s highest honor, the Gold Medal of Valor.




Paul Cavallero

Investigator Paul Cavallero has conducted over 200 DUI investigations and regularly testifies in court as a witness on behalf of our clients. As a member of our firm for over 3 ½ years, he is responsible for gathering client discovery, delivering client motions to all Bay Area county courthouses, and photographing arrest locations.