erick baltazar, chief investigator for dpa. will talk about how investigations are handled. >> sir. >> thank you for being here. >> all right. good morning president soo and members of the board and public i'm erick baltazar, chief investigator for dpa. to provide an eve of how we conduct investigations. >> a little bit about myself i've been with the city and county of san francisco for twrgd years and investigator with the chiefs office and i then got a job with the police of albeit conducting police misconduct and then a senior investigator for 8 years and the now the chief of investigations for 10 years responsible for management of the investigations team. so throughout any career with the dpa and servicing 7 thousand cases in addition he responded to and or supervised shootings in the last years. >> a little bit of history about dpa. dpa was with the office citizen complaint in 1992 called the office of citizen complaints and became our operation that charter as amended in 2003 expanding commissioners from 5 to 7. >> and