Being Human: Research Humans raised by animals

There are many cases of Humans raised by animals, you must of heard the phrase must of been raised by wolfs. In these cases the person would behaviour like a animal, for example there was a kid whom was raised by wolfs and would walk around on all fours, growl and work as part of a pact. Taking the Human accept out of a child's upbringing can cause de-humanization.  Does make those effected less than human? In these cases the children are reablitated into society. The problem sometime found in this cases is the child becoming depressed due to being taken away from their animal family. Capturing one of the animals could help the child but would slow down the process of rehabilitating the child.  I believe i found the source of the phrase raised by wolves, i well documented case of Kamals and Amala who was raised by wolfs, this case happened in 1920. With cases of animals raising humans as their own, they might not get their Humanity. If a child isn't exposed to Human language in the first three years of its life, it can cause the inability to learn how to speak.