ready to treat differently with a pill? otezla. show more of you. welcome back to dateline extra. i'm craig melvin. nick harvey had already been arrested and long beach county california police were circling their wagons around two additional men they believed were involved in the fatal stabbing of lynn. investigators thought lynn's husband fred and a man known as el cubano had plotted. once again here's keith morrison. >> police suspected that fred was the mastermind behind the murder for hire plot for estranged wife lynn.