clark got into an argument with penny houghteling just one week before laura disappeared over some toolsenny said were missing from her tool shed. the houghtelings also kept a spare house key in the shed. when the police researched clark's financial records, they learned that he had purchased duct tape, braided rope, and nylon cord several days before laura's disappearance and paid for the items with a personal check. investigators were alarmed with what they saw written in the memo section. one word, laura. on the day laura disappeared, clark purchased a queen-sized sheet from a department store, a size that was too large for the mattress in the back of his truck, but was the same size as laura's mattress. from clark's financial records, police also learned that he rented a storage locker in warwick, rhode island, 450 miles away. an employee at the storage unit told police that clark visited his storage locker two days after laura disappeared. armed with a warrant, police searched clark's storage unit and discovered a secret side of hadden clark's life. >> he had falsies. he had bras, d

a clue to her disappearance was a peculiar strand of hair found in her hair brush. >>> laura houghtelings an ambitious young woman with a bright future. she had recently graduated from harvard university and had mov

>>> early monday morning on october 19, 1992, 23-year-old laura houghteling was seen >>> darryn and darly routier were a couple in their mid 20s with three children. darryn routier was a successful entrepreneur. darly stayed at home to care for the children. >> this was a young couple who had made good. darryn owned his own business. in 1995 he had made close to $300,000 in his business. he repaired main frame computers. had some extensive contracts with government agencies. >> on the night of the attack darryn routier was asleep up stairs with 8-month-old drake. downstairs in the family room the two older boys fell asleep watching television. their mother, darly, was asleep on the sofa. around 2:30 in the morning an intruder stabbed the children then woke darly who felt a knife at her throat. after a brief struggle the intruder fled and darly called police. >> 911, what is your emergency. >> some men came in, stabbed my babies, stabbed me. i woke up. my babies are dying. they're dead. >> when paramedics arrived 6-year-old devon was dead. 5-year-old damon was barely alive, but he died en

captions by vitac -- www.vitac.com >>> early monday morning on october 19, 1992, 23-year-old laura houghteling was seen >>> darryn and darly routier were a couple in their mid 20s with three children. darryn routier was