A woman called police when she saw a man knocking on her windows early Monday in Kennewick.
The woman was at home with a child in the area of West Fourth Place and South Sharron Street, said Kennewick police.
“It is not known why he was knocking on the window,” said police.
Mark Masters, 55, of Kennewick, was arrested on a warrant for failing to comply with the court on a charge of fourth-degree assault with sexual motivation.
He was booked into the Benton County jail about 1 a.m.