The first season of Dirty John hit the small screen like a ton of bricks. Starring Eric Bana as con artist John Meehan and Connie Britton as Debra Newell, the woman who would fall head-over-heels in love with him, only to realize too late the horrible mistake she made, ended in violence — just like the real case the episodes were based on. It's been a year-and-a-half and the show is back, but this time around, Dirty John: The Betty Broderick Story digs its teeth into the brutal true-crime tale of the rise and …