My son is 9 year old with high functioning Autism, ADHD, and high IQ. He wanders off at times when he gets agitated, angry, or bored. I need something I can use to find him quickly, since the past incidents have been in large, crowded areas where it is hard to find him. He can run away quickly and sometimes hides. Last night, he ran away from me on Michigan Ave in Chicago and I was near panic because I couldn't find him for several blocks. He would throw off a device if it isn't something I… read more