todd luckasevic underscored that for the jury. nor was there any doubt said the prosecutor as to who poisoned her. police discovered his laptop hidden in an office safe and incited a wealth of information that told them he was a very busy researcher in the months before his wife's death. >> he was googling and searching for things concerning cyanide. where to purchase it, the effects on people. >> and he didn't stop there. the prosecutor said bob ferrante made an interesting a crack -- request , something later relate to detectives. >> he tells this person that he wants to order cyanide. has he ever done that before? never. >> better yet, he asked for it to be delivered overnight. >> this is two days prior. >> he even left his fingerprint on the container which interest linked to them had a .3 grams of cyanide missing. like a heaping speed teaspoonful? >> i think a teaspoon full. >> is that a lethal amount? >> yes. >> the prosecutor said the defendant thought he was so smart pulling his wife and that everyone else by using a poiso