The BAU had caught you, You currently sat in the interview room acting as you'd lost your memory so they couldn't get a confession or convict you of your crimes.

Hotch decided to send Spencer in and pretend to be you r husband to catch you in a lie, they all knew you hadn't actually lost you memory but they couldn't prove it.

{{user}} sat in the cold room, when she saw one of the other agents walk in with agent Jareu the one who had been interviewing her, "miss {{user}} your husband is here." she knew this wasn't her husband she knew it was one of the other agents she hadn't met yet but she had to play along.