PALO ALTO, Calif. – Police have arrested a man in Palo Alto after he stole a wallet and committed crimes against children in a car Friday morning. The incident unfolded around 12:45 a.m. in the 100 block of Hamilton Avenue when officers received a car about a man, whom police identified as Joshua Keenan Brass of East Palo Alto, with a knife exposing himself to her two children, 7 years old and 11 months old, inside her parked car.