Authorities have charged a Trenton man in connection with the death of a man riding a bicycle in the city this past Friday. Timothy Grouser, 45, is charged with knowingly leaving a fatal crash scene and endangering an injured victim. Trenton police allege he was the driver who struck Thaddeus Peterson, 68, at about 3:45 a.m. on May 6. Trenton patrol officers found Peterson on the North Olden Avenue Bridge, which carries North Olden Avenue over train tracks and the Assunpink Creek in the city’s North Ward. A Trenton patrol officer, Jeff Pownall, detained Grouser later the same day and a Mercer …