Boundary Basics Part II: A Word from the Police Chief and Q&A
Chief of Police Michael P. Bruno of Tenafly, NJ, addresses parents and takes questions along with expert educator, Rabbi Yakov Horowitz. Moderated and hosted by Rabbi Mordechai Shain, executive director of Lubavitch on The Palisades.

A good piece of information for parents It's generally possible to to block internet and texting on particular cell number. Also, many cell carriers will provide a log of texts for a monthly fee.
Take advantage of this, and tell your kids that you are doing it and why.