Manhunt Intensifies for Kentucky Highway Shooting Suspect Joseph Couch

Authorities search rugged terrain to apprehend Couch, who allegedly vowed mass violence in texts before the shooting

Suspect Joseph Couch allegedly sent texts threatening mass violence and suicide before the highway shooting.
Couch's AR-15 rifle and ammunition were found near his abandoned vehicle by I-75.
Five people were injured in the shooting, and the suspect remains at large in a densely wooded area.
Local schools closed as a precaution, and a reward has been offered for information leading to Couch's arrest.
Kentucky's lax gun laws have drawn criticism following the incident.