If the US sponsor commited a crime that crossed state lines, could the foreign spouse be deported? They are only at the newly wed, turning in the papers and setting up the interview stage of the process.

By crime: Threatening to come to a persons house and either beat the crap out of them or murder them. This person does have a gun. The person being threatened is filing a police report. Person making the threat currently lives in another state, is an OTR Truck Driver so he is in the state a lot, and his parents live less than 45 minutes from person being threatened.