His wife of 15 months, to be more precisely. Depp is having a MLC. And it not a nice one. But filling for divorce two days after his mother died? It seems very cold.
However, it may be that, since California law says that 50% of earning during marriage are to be split 50/50 Depp may not want Amber to have any money from rights from his films that are about to open.
Iamnottheenemy, it seems very obvious that, at the very least, he has been dealing with drinking problems. Most likely drugs as well. Those are not uncommon issues during MLC.
Sometimes good things fall apart so better things can fall together. (Marilyn Monroe)