ellen s was running on six cylind cylinders. six weeks after we were dating, he bought me diamond yankees. it was very fast. reporter: so fast that after six months of dating ellen and her 8-month-old son michael moved in with him. did he seem happy? he did. reporter: mike had no ochildren of his own and now he was filling a void in mike s life. el llen s sister terri. they would share interests and tink mer the garage together. reporter: but it was not long until she noticed that mike s affection was not all that she wished for. we are happy to have valentine s day together and we were in love. and he didn t come home. he decided to go out with his friend friends. on valentine s day? yes. and he could not understand why i was upset about that.