. >> in august of 1990, bobby married joann chopak, a young widow with a 4-year-old daughter. bobby and joann has been dating for about a year following the death of joann's first husband in an automobile accident. >> i gave them my blessings. i said it was time for him to get married and have a life of his own. >> they had a beautiful wedding. bob really wanted to meet a nice girl and start a family and just enjoy life. and he said he really loved her, and i was very happy for bob. >> the couple moved into joann's home on a quiet street in wilkes-barre, pennsylvania. bobby worked for the morgan corporation as an electrician. and in may of 1991, he and his crew started work on a major renovation project in a local chemistry lab. >> we were told that everything would be cleared out of the labs, there would be nothing in there. we went in the lab and there would be bottles of chemicals here, stuff spilled. it was kind of, you know, i thought, hazardous. >> three months into the project bobby became ill. his brother noticed something was wrong when they met in a local bar one day