Tyson, who served three years in jail for rape in the 1990s and who bit off part of Evander Holyfield's ear during a 1997 fight, still thinks he can be heavyweight champion again.
Tyson has been arrested before.
( z1 arrest :ARG1 ( z2 person :name ( z3 name :op "Tyson" ) ) :time ( z4 before ) )