Precious Girl,' 4, Is Killed at Dentist Office During Shooting Outside Between Police and Suicidal Man

Ohio community mourns 4-year-old Rosalie Martin, killed by stray bullet.
Police responded to call about potentially suicidal man in St. Clair Township.
Suspect, Joseph Como, opened fire; killed during exchange with police.
Rosalie struck inside dentist's office, died at hospital.
Family left devastated; community offers support.