https://www.cnbc.com/2018/11/05/victims-of-domestic-violence-challenged-by-abusers-using-technology.html

Amy had been enduring violence from her husband for more than a year when she made the decision to leave in 2016. He had isolated the 27-year-old mother of two from her family and friends, forced her to quit her job and monitored her electronic communications by phone and computer.

Amy had tried to leave him on two prior occasions, but both times he caught her when she reached out for help. (CNBC has changed her name and some details to protect her safety.) He threatened her by saying he was tracking her whereabouts.