KQED article questions number of police shootings in Vallejo:

Questions Surround Surge in Vallejo Police Shootings

Shortly after midnight on an evening nearly two years ago, Vallejo police officers on the lookout for drunken drivers spotted a white 1999 Lexus speeding, without its lights on. When the officers turned on their lights and siren to pull the car over, police said later, the driver led them on a short chase that ended in back of an apartment building on a dead-end street.

read full article:  http://blogs.kqed.org/newsfix/vallejo-police-officer-named-in-three-fatal-shootings