the 4 were the mtap with muni, the youth services with san francisco police department and the security guards through the san francisco unified school district and d.c. yf. we rolled out responsibilities and it was within the scope of work we were doing and to form what that looked like. they are going to be the primary lead but have support of m tap to deal with interventions outside the perimeter the school. and the police department was a supportive roll if it escalated. previous to this, there had been incidences almost riots at different schools. lots of arrests and last year there were minimal, if none. >> this was last summer? this was the first time you had this in place. >> what did you do? were the teams on the campuses when school let out? >> yes. there were level assignments where there were reps from those 4 entities. they checked in and talked about what that particular day brought. >> that's going to happen again this summer. >> i want a concrete example where this worked where you went in and diffused. concrete example. >> at burton last year, in the first week of summe