Devil’s advocate: Is there some way someone could have sent it to or put it on his computer without his knowledge?
100%
While I am for harsh punishment in proven child rape cases, the evidence should be much more than only digital files.
The same for locking people up over easily plant-able quantities of drugs.
Right now it is so easy to plant a felony on someone. They would be imprisoned at will and nobody would care since they were made to look like a child pervert or dealer.