joining us live in the studio now is the standard senior reporter, josh cahn, who spent a year investigating this. >> this story took about a year to come together. yes. >> and it came together, josh, today in a big way. before we go further, i just want to show people san francisco police chief bill scott's response actually, after your article was published. here it is. i won't read the whole thing, but he essentially promises a thorough investigation on this matter. so josh, let's back it up now. who is john jacobo and what are the allegations against him? >> yeah, john jacobo is a director or was a director for a very powerful, affordable housing nonprofit in san francisco. it's called tocco, and it's actually got multiple properties around the south of market area, and they rack up millions of dollars in federal revenue to run these properties. they also channel a lot of that money into local politics. usually progressive causes. john jacobo was a director for them, and he was also a once rising star in local politics, seen as the an heir apparent to the mission district supervisor seat