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Detectives say the suspect boarded a Metro bus, but got off when he couldn't find his money. "He then waits for the next Metro bus which he gets on, pays, takes a seat on the bus and travels all the way to what we think is Bellevue, where he gets off,” said Ret. Det. Myrle Carner with Crime Stoppers of Puget Sound. During that ride home, he switched buses. Video shows him bend over to pick up a piece of paper he'd dropped, you can see more of his balding head and hear him as he talks to another rider. "Somebody knows who this guy is and that's the information we need,” said Ret. Det. Carner. The attack happened just a block south of the King County Courthouse -- an area plagued recently by violence. "If you see someone coming towards you and you feel uncomfortable, even if you have to cross the street, or turn around and go back. Do that,” said Ret. Det. Carner. Nicholas said he had never been concerned about walking through the area before, but no longer walks that route home from work. “This dude specifically, there must be something wrong with him,” said Nicholas. And, he believes he won't be the last victim if the suspect who ambushed him isn't caught. "He deserves time for this.” Seattle Police say the suspect is in his 30's, 5’11” to 6’1”, with a medium build. If you know his name, Crime Stoppers of Puget Sound will pay you a cash reward of up to $1,000. You will remain anonymous. Call 1-800-222-TIPS(8477), or use the P3 Tips App that you can download to your cell phone for free.