Ohio Woman Fatally Shot in Taco Bell Drive-Thru by Stranger

Police investigate murder-suicide involving a recent college graduate and a man with a criminal history.

Megan Keleman, 25, was killed while ordering food at a Taco Bell in Stow, Ohio.
Jason Williams, 53, rammed Keleman's car before shooting her and himself.
Authorities confirm no known connection between the victim and the shooter.
Williams had a prior arrest for handling firearms and driving under the influence.
Community holds vigil to honor Keleman, a recent Cleveland State University graduate.