The parents were seeking asylum, they were not breaking the law. It is inhumane to lock kids in cages, no matter what the reason is. Reread the scripture LumRaiderFan posted.
I read that the USA wanted to trade the marine and Griner for that Russian guy. The Russians were not willing to make a trade for the marine. The marine's family told Biden to make the trade for Brittney because their son wasn't going to be released, and it wasn't fair to make her stay in Russia.