Louisville Metro Police officers were called to the 1400 block of West Broadway around 8:30 p.m. Thursday on a report that a pedestrian had been hit.
Valentine was hit more than a week ago, on Oct. 3, and his family is wondering why anyone who hit someone wouldn't stop.
Gertrude Schaftlein, a 48-year veteran traffic guard, was hit by a semi while on duty last month.
One person is in custody.
Police are looking for a red pickup truck.
It happened around 11 a.m. Friday near Eastern Boulevard and Interstate 65, in Jeffersonville, Indiana, according to police.
It happened around 11 a.m. Friday at the Motel 6 on Hospitality Way, near Eastern Boulevard and Interstate 65, in Jeffersonville, Indiana, according to police.
It is described as a silver vehicle with a broken headlight, and possibly additional front-end damage.
Angelo Collier was arraigned Tuesday, where a not-guilty plea was entered on several charges.
Grignon was investigating a hit-and-run when he was shot and killed 18 years ago.