Re-creating a complex murder case: the 1991 poisoning by arsenic of a celebrated Dallas architect whose husband (Richard Thomas) is a prime suspect. Asst. DA Sims: Tess Harper. Bill Jr.: Gary Fank. Det. Ortega: Shawn Elliott. Guthrie: Matthew Posey. Elen: Ann Hearn. Bridget: Andrea Powell. Dillard Sr.: CK Bibby. Mrs. Dillard: Collin Wilcox Paxton. Sondra Locke directed.