Oakland County Sheriff Michael Bouchard spoke on an arrest and investigation into an alleged mass shooting plot at a graduation for a high school in Pontiac earlier this week.

The teenager accused of plotting a bombing and mass shooting at a mall in Kelso appeared before a judge in Columbia County on Friday.

An Oregon teen has been arrested in connection with an alleged mass shooting plot targeting the Three ... court-authorized surveillance before the arrest, citing evidence of both intent and ...

WATCH: Oakland County sheriff speaks on arrest in alleged mass shooting plot at graduation ceremony Oakland County sheriff speaks on arrest in alleged mass shooting plot at high school graduation ...

A 19-year-old was arrested and a 20-year-old is being sought in connection to an allegedly planned mass shooting at a Pontiac high school graduation.

Officials placed the suspect in Oregon under court-authorized surveillance before the arrest, citing evidence ... in connection with an alleged mass shooting plot targeting the Three Rivers ...

The FBI and law enforcement officials in Columbia County, Oregon, arrested a teenager late last month who was allegedly planning to carry out a mass shooting ... arrest. After learning about the ...