Lance Chambers

Lance Chambers is the ex-husband of Anne Chambers.

House Fire
Lance's wife, Anne, was injured in a house fire. She was taken to the hospital, where they determined she had burns over 60% of her body. Her burns were treated and Lance stayed by her side for a while. He was irritated when JJ starting making jokes from the next bed.

Divorce
During Anne's treatment, Lance ultimately decided it was too much for him, that it wasn't what he signed on for, and he left her.

Romantic
He was married to Anne Chambers until he left her while she was hospitalized and being treated for the burns she sustained in the house fire.