Jennifer Dulos' estranged 52-year-old husband, Fotis Dulos, and his girlfriend, Michelle Troconis, were charged in connection with her death in 2019. Fotis died by suicide shortly after he was charged, and Troconis' criminal trial began Thursday.

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       ‘MOST HATED WOMAN’: Missing Connecticut woman declared dead as interrogation video of one of the suspects emerges.

       BAD MEDICINE: Mayo Clinic rocked by murder after married co-workers flirt with an open relationship.

       FRESH START: Nashville hubby accused in New Year’s Day killing of wife apparently started plotting weeks earlier with a tell-tale request.

       MONSTER CATCH: Virginia fisherman identified in the so-called 'Colonial Parkway Murders' that haunted one community for years.

       Alan W. Wilmer Sr. was tied to the Virginia murders of David Knobling, 20, and Robin M. Edwards, 14, in 1987 and Teresa Lynn Spaw Howell, 29, in 1989. ( )

       PLOT THICKENS: Slain husband of children’s book author had wife’s meds in body at death, according to newly unsealed warrant.

       SECRETS OF POLYGAMY: Infamous cult leader's daughter breaks free and tells her story.

       CURIOUS CASE: Ukrainian orphan Natalia Grace denies plot to murder American adoptive parents, pretending to be child.

       Kristine Barnett and her husband claimed that Natalia was menstruating and displayed bizarre, sociopathic behaviors. (Investigation Discovery)

       LIE DETECTOR TEST: Casey Anthony’s parents took a polygraph on national TV.

       NEIGHBOR NEXT DOOR: Four California family members found murdered in what cops are calling a "complex puzzle."

       This article was written by Fox News staff.