Documents reviewed by the AP show the Paxtons hold mortgages on three homes — one in suburban Dallas, two in Austin — that are each listed as their primary residence. The designation comes with a considerable financial upside.

Mortgage documents signed by the Paxtons enabled the now-estranged couple to lock in low interest rates and save thousands, according to an AP review of records.

Texas Attorney General Ken Paxton and his wife, State Senator Angela Paxton, are under investigation after public records revealed they listed three separate homes as their “primary residence” on mortgage applications.