. >> okay, i'd like to introduce lieutenant dwight waldo, retired from the san francisco police department, he will be our next key note speakers so please listen to mr. dwight waldo >> thank you, drew, i'm very pleased to be here and i'm pleased to see so many people attending. my program today will basically be on training and expertise, being able to go out, understand the gravanis culture and then take it to court and get a successful prosecution. just a little background, i'm not going to read it all. i pretty much go by sergeant because i was only a lieutenant the last 3 months and i found out if you google me under lieutenant you find something. i stick with sergeant because i have about 14 years on google for that. i spent about 28 years as a police officer for the city of san bernardino, california, about 80 miles outside los angeles. among other things i'm recognized as an expert on graffiti in california superior court. without reading all this i want to let you know that i am well rounded, i was supervisor of the unit to be supervisor of a multi agency dealing with it to being

. >> okay, i'd like to introduce lieutenant dwight waldo, retired from the san francisco police department, he will be our next key note speakers so please listen to mr. dwight waldo >> thank you, drew, i'm very pleased to be here and i'm pleased to see so many people attending. my program today will basically be