You can use your smart phone to do a lot of stuff online but some things require a laptop and internet access. Depending on where you are, free wi-fi is there.
My family and friends know that if I texted them "Hey, I think I'm not going to drink wine anymore," or "I think I'll go for a run!" they should call the cops.
This guy was going after 11 and 12 year old boys. He almost got to one of them. Here's how he did it. Make sure your kids aren't in the path of a pig like this.