The Board of Immigration Appeals (BIA) has determined that participation in a Texas pre-trial intervention program constitutes a conviction where the participant stipulated that he committed each charged offense. The BIA determined that the participant had admitted sufficient facts to sustain a finding of guilt, and that the probation terms imposed as part of the intervention program were a restraint on the participant's liberty. As such, participation in the program constituted a conviction.
The full text of Matter of Mohamed can be found here:
https://www.justice.gov/eoir/page/file/994641/download