Justin Jouvenal

In an interview, Amy Kovac described for the first time holding the child after he shot his first-grade teacher at Virginia’s Richneck Elementary School.

The man charged with killing a Prince William County, Va., police officer and injuring two others during a domestic call Saturday is an active-duty Army staff sergeant based at the Pentagon, his family and the military said Sunday.

As officers raced to a recent 911 call about a man threatening his ex-girlfriend, a police operator in headquarters consulted software that scored the suspect's potential for violence the way a bank might run a credit report.

While officers raced to a recent 911 call about a man threatening his ex-girlfriend, a police operator in headquarters consulted software that scored the suspect's potential for violence the way a bank might run a credit report.