The answer to this question is Phencyclidine.
Phencyclidine is also known as PCP which
was introduced to the market in 1950s and mostly known as angel dust, wet, or
illy. The use of PCP can cause hallucinogenic effects such as suicidal
tendency, euphoria, and having a violent behaviour. PCP can be abused when it
is included into pills like ecstacy and by smoking by a pipe or in a form of
cigarette.
