"My husband and Nina were close. Too close. I had to do something about it. So I came up with a plan. I would get rid of my husband, and blame that girl for it," Mrs. Marlen said with great difficulty.
"I killed...Mr. Marlen," Lesley said, turning her eyes away.
Oliver gaped at her, his eyes wide.
"I dressed up like her and edited the security camera footage so I would look more like her," she continued. "I killed Nina and Hamilton, and I faked a recording and had a mole in forensics approve it. Then I put it on the phone, hid it, and pretended to get caught so the police station would find it. After that, I had the mole dress up like Nina and blow up the police station."