Silentone
It is heartbreaking to see how many people are lost and going off the derech these days. We certainly need a lot of siyatta dishmaya. Can I recommend something that may be a zchus for your child to come back? Get personally involved in kiruv. There are organizations that can pair you up with a non frum yet or on the way to being frum person of your gender that you can learn with over the phone and have a personal hashpaah on. If you exert yourself and sacrifice your time and efforts to bring Hashems lost children back to him, He will certainly bring yours back to you.