It's confusing ITA, I get the feeling that "checking in" wasn't for security reasons, but more like; ok, I just got a call/text and perhaps the detective would quickly try and trace it?
Stalking: Why do Men and Women Stalk Each Other?
"...stalking is still very misunderstood by the public, the courts and law enforcement."
Revised: January 01, 2009
If you want to know something about stalking, then prepare yourself to be surprised. Here are some research findings. Women stalk men nearly as much as men stalk women. Men and women also stalk each other in similar ways. Men stalk more at night and women stalk more by day. Nearly 3 out of 11 people who break up will begin to feel or think they are being stalked. On any given day, about one out of a thousand people may feel like they are being stalked. A true stalker can't stand to be ignored. If they can't have your love they will settle for your anger and hatred. The worst thing you can do is respond and interact with someone who may be stalking you. Why do they feel this way and what can you do about?
http://www.crisiscounseling.com/articles/stalking.htm
Thought this article was interesting.