Massachusetts Congressman Seth Moulton’s office said it has contacted US Capitol Police after a man claiming to be a New Jersey police officer threatened Moulton on Twitter.

According to screenshots of the exchange, Steven Felice called Moulton a “scumbag” and told him to “watch your back at every turn” in a message on Wednesday.

Read the complete story at BostonGlobe.com.

Don’t have a Globe subscription? Boston.com readers get a 2-week free trial.