the person knowledgeable on this is bob gienen and he's working on the torch run at the moment. but the motorcycle officers what they're doing is they're trying change behavior on the motorists and on the pedestrians just to create a safer environment so with motorists you have aware necessary and sometimes traffic engineers and mta will come up with better advises so you'll know if a pedestrian is at risk of being struck and they do outreach to make pedestrians more aware before they step into the woed w roadway. speed is always important part of this incidents. for years i was assigned to hit and run detail as a police inspector doing fatal traffic collisions. whether pedestrians, motorists or bicyclists. it's a complicated thing in san francisco and that's why we have these collaborative efforts with different agencies and groups. we have motorcycle officers looking for red light violators and engineering judgments and trying to change designs on the roadways. >> okay. so, your question had to do with intent, and you're not going to explain it - actually i speak better standi