DEVELOPING: Authorities have arrested a Maryland man they say threatened to carry out a mass shooting at his workplace, Fox News has learned.
Police arrested 28-year-old Neil Prescott of Crofton, Md., after the man allegedly called his employer and threatened to shoot people.
WJLA-TV reports that the suspect was about to get fired from his job. He was arrested in Crofton, Md., Thursday night.
A source close to the investigation told Fox News that the suspect is "emotionally disturbed."
When police took him into custody, they found an "arsenal" of weapons inside his home, the source said.
The Prince George's County Police Department is planning a news conference on the investigation at 1 p.m. local time.
Fox News' Mike Levine contributed to this report.
Police arrested 28-year-old Neil Prescott of Crofton, Md., after the man allegedly called his employer and threatened to shoot people.
WJLA-TV reports that the suspect was about to get fired from his job. He was arrested in Crofton, Md., Thursday night.
A source close to the investigation told Fox News that the suspect is "emotionally disturbed."
When police took him into custody, they found an "arsenal" of weapons inside his home, the source said.
The Prince George's County Police Department is planning a news conference on the investigation at 1 p.m. local time.
Fox News' Mike Levine contributed to this report.