Lake Dallas woman's body believed found06/14/2003By DEBRAH BONN / Denton Record-Chronicle Oklahoma authorities have found a barrel they suspect was used to dispose of a Lake Dallas woman's body. Police suspect that Steven Russell Wiederhold fatally stabbed Denise Ann Johnson, 23, before he placed her in the barrel. She has been missing for more than two weeks. Authorities said her body is not visible in the barrel, which is filled with concrete. Mr. Wiederhold, 26, of Lake Dallas was arrested on a murder warrant Thursday in Wichita, Kan. Three people with him were also arrested. Ms. Johnson's 3-year-old son was...