MOSCA — This is the unlikely story of how Colorado became one of the few places where a novice can wrestle alligators. It involves tilapia carcasses, illegal pets and lost appendages. There’s a lot to unpack, so let’s start here, with the cast of characters at Mosca’s Colorado Gators Reptile Park. To put it in the universal animal park language we all now speak, if the Mosca alligator park and rescue was “Tiger King,” Jay Young would be Joe Exotic, minus the attempted murder for hire charge, flamboyance and mullet.