A recent story about a man who referred to himself as “Mr. Pervert” illustrates what most people likely think about when they imagine stalking.

Last month, Sean Michael Vest of Pensacola, Fla., pleaded no contest to eight counts of obscene or harassing phone calls and 18 counts of aggravated stalking. The man who called himself “Mr. Pervert” was sentenced to 10 years in prison with an additional 10 years of probation.

He established a pattern of calling and texting 26 different people in Pensacola and the surrounding area. He threatened to commit sexual [...]