visitor. every other day sometime used to come visit, hang out. stuff like that. he was a good kid. doesn t bother nobody. just wanted something out of life. you know. end up at the bad end of the stick. reporter: now, the mayor and some councilmembers say that even if last night s shooting doesn t center anything to do with the occupy encampment that this underscores the place is not safe. they are asking campers to leave peacefully as of last night. we need a peaceful resolution on the encampment. i call on the campers to voluntarily leave. i call on the community to be united. we need the encampment closed. reporter: the mayor is offering vouchers for homeless shelters for anyone who leaves voluntarily. police training exercises have been cancelled this week to free up officers for a raid of the police won t say yet if action is imminent. the council is talking about a potential no-confidence vote against mayor jean quan. several members have brought it up. they