i have oversight and management of the park patrol unit that works very closely verysfpd. -- with sfpd. you heard us speak of illegal camping here, and we will update you on the efforts. reducing the presence of golden gate park, we are at a point where we have the long-term and very persistent population that we estimate with our cleanup crew experience, the clean-up crew is 7 days a week. eight hours a day. through both of their collective experience, we estimate long- term population of 30-60 -- at least one half of this population is regular recyclers. we have documented it. we also factor in the cleanup crew that experiences the periodic influx of campers. and with the large events throughout the year, we estimate is 50-75% that recycle. this is a significant concern to us, because recycling provides the economic means to continue illegal camping throughout the year in the park. among the reasons we remain so focused is because it is clearly not save -- safe, and it creates a public safety concern for the wider public. for the last 12 months, there have been a number of violent cr