GLEN BURNIE, Md. — Angelina Reyes, 17, isn’t old enough to be a 911 operator at the Anne Arundel County Police Department, but she might get a head start on the training at school this year.

“The idea is for 911 operators to catch it when a survivor ... 43 dispatchers and four shift supervisors completed a virtual training on domestic violence with an emphasis on strangulation ...