Animal experts are baffled by chimp attack
http://www.google.com/hostednews/ap/article/ALeqM5jvlkKth37Fp__GL6KYdl2b1s6dB...
Police said that Travis was agitated earlier Monday and that Herold had given him the anti-anxiety drug Xanax in some tea. Police said the drug had not been prescribed for the 14-year-old chimp.
Chimp takes drugs and freaks out?