Will Smith Gets Unwanted Visitor, Alleged Trespasser Busted at L.A. Home

Tense times for Will Smith's security team, thanks to an unscheduled and unwanted guest guards had to take down at Will's home until cops could arrive ... TMZ has learned. Law enforcement sources tell us ... L.A. County Sheriff's Department deputies responded twice last Wednesday to the actor's L.A.-area home -- with the first call reporting a suspicious man lurking near Will's gate, and asking for someone who…