phr
Bluelighter
The New Rise of PCP
Jeff Deeney
The Daily Beast
4.22.11
...
Effects like psychosis and other severe mental health symptoms. To the increasing number of kids now smoking it, PCP induces a psychotic state with symptoms that resemble schizophrenia. After a steep and prolonged drop in the number of young people trying the drug in the ‘90s, numbers of new users are climbing again. In parts of Philly, PCP use is back to peak levels, and the associated social costs are piling up.
...
Link!
Jeff Deeney
The Daily Beast
4.22.11
...
Effects like psychosis and other severe mental health symptoms. To the increasing number of kids now smoking it, PCP induces a psychotic state with symptoms that resemble schizophrenia. After a steep and prolonged drop in the number of young people trying the drug in the ‘90s, numbers of new users are climbing again. In parts of Philly, PCP use is back to peak levels, and the associated social costs are piling up.
...
Link!

They can usually trace it back to its source by analyzing the amount of cyanide still present as one of the steps in making it uses sodium cyanide, that's when I said "No more for me"