Nathan Carman: 'This isn't about money'

"I've put lots of time, effort and frankly a lot of misery into this. It's about... I almost feel like I have a responsibility to my mom to make sure the truth comes out," Nathan Carman said to reporters outside a Rhode Island courthouse following the closing arguments in an insurance case. He is seeking an $85,000 claim for the boat that sank while he and his mother were on a fishing trip three years ago. She was never seen again.