The real answer is that there is no way to get any information about what went into a hole, other than how much was there, and if it carried angular momentum.
Could there be a nugget of information inside the horizon? Sure, why not, but much like the tootsie roll at the center of a tootsie pop, until you figure out how to bite open a black hole, it's gone.
One, ta-hoooo, tha-reee... *crunch*