Now the person that all the investigators are giving credit to is longtime San Jose Police Sergeant Jason kid well. He says he spent hours of his own time looking for the serial arsonist who set at least 12 fires, including one at a massive warehouse, a church and several homes. Sergeant kid well says he entered specifics about the crime and the man seen on surveillance videos around the fires and found that Patrick Brennan fit the description. Government into each one, plug in the information and then when you get that information, it sort of layers on top of each other and he just was consistently in that area. He fit the profile. Had the exact physical description. Reporter brennan was in the Santa Clara County arson database for setting 16 fires back in 1999. Detectives started watching him on sunday and i rested him at his Mobile Home Park wednesday night. Brimmen is scheduled to make his First Court Appearance later today. Live in san jose, matt keller, abc7 news. 4 31 now. A 170