Which hallucinogen may lead to feelings of paranoia and blind rage, sometimes leading to bizarre or violent behavior?â?

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.