The Sixth Circuit has determined that the crime of child abuse ground of deportability found at 8 USC 1227a2Ei does not apply to a denaturalized individual whose conviction was entered while he was still a U.S. citizen.
The full text of Gonzalez Castillo v. Bondi can be found here:
https://www.opn.ca6.uscourts.gov/opinions.pdf/25a0160p-06.pdf