Paranoid schizophrenia (delusional behavior) or bi-polar disorder (suicidal behavior) was my guess as well, assuming Andreas Lubitz is his real name and he has no ties to Islamism or to some other radical cult or political party.
GERMAN NEWS REPORT: Co-Pilot of Germanwings Airbus Was MUSLIM CONVERT Hero of Islamic State?
In that thread there is this....
234 posted on 03/27/2015 9:21:39 AM PDT by Grampa Dave (