Duh the burden of proof would be on the dad, as I hope such deceit would be a crime and hence it would be held to the “beyond reasonable doubt” standard rather than “balance of probabilities”. Hence you would probably either need a independent witness or a valid confession. That would be very rare, but it would send a…

Why should something be legal just because it is hard to prove if someone did it? Most rapes come down to “he said she said” and many without a confession, 3rd party witnesses, forensic evidence and CCTV are hard to prosecute. But we prosecute the ones we can find evidence for and hope the deterrent affect of stiff…