S: Supporting evidence: 'Baiting and taunting' crowd refers to the phenomenon where a crowd of spectators baits an individual who is threatening to commit suicide, encouraging them to jump, a meta analysis 21 incidents in newspapers (American) 1960s and 70s, he found that in 10 out of 21 cases where a crowd had gathered to watch, baiting had occurred these happened at night with a large crowd being some distant from the jumper, Mann claimed that all of these features deindividuated individual members of the crowd, this adds to the validity as an explanation to aggression