Her sister says the commuter bus driver killed in a collision with a school bus in Baltimore was 33-year-old Ebonee Baker, a married mother of four
35-year-old was initially found incompetent to stand trial.
Officials say death of 20-year- veteran appears to be "tragic accidental shooting."
Shawn Grate is suspected in the killings of at least three other women
Local cases shown in new display.
No students on bus
Police are investigating after a badly decomposed body was found underneath several inches of garbage
No injuries reported
Files allege Overmyer abused drugs, stole funds.
Series of weekend gunfire reported.