Documentary reveals Robin Williams' paranoia before committing suicide

Robin Williams spent his last days in a paranoid frenzy before committing suicide, claimed a documentary called 'Autopsy

The late American actor stuffed watches and gems into socks and stashed them in a pal's house the day before he died, the Daily Star reported.

Dad-of-three Williams, who was also battling with Parkinson's disease, also frantically searched for drugs on the internet.

A postmortem report showed the 'Jumanji' star had dementia.