things. i am thinking, that will be a problem the trial. because of the contamination. i'm also thinking faint guard we have a little break. >> after all the additional testing, the medical examiner finally had a cars of death. acute midazolam poisoning. investigators took everything they had to a special prosecutor and argued they were sure gilberto nunez had killed the man he called his best friend. >> i don't think nunez was ever a friend to coleman. not for a minute to i believe. that he is a master manipulator. he lives to manipulate. i believe he drew tom and because he wanted to be close to the wife and have access to the wife. >> nearly four years after tom's death, gilberto nunez was indicted for second degree murder. >> how did it feel when you got that news? >> i cried. we all cried pretty hard. it felt good in that we were one step closer to justice for