>> reporter: in october 2015, the rob cantor murder case went to trial. almost every day for the next two months, rob's friends and family would be there. tony's friend sandra milon, who now lives in france couldn't come to new jersey to support him. did you follow the trial? were you able to over the internet? >> i was able to. yes, a little bit. >> reporter: for sandra, the man she read about online accounts, bore no resemblance to the person she'd known for 30 years. did you think for a second that, "oh, my gosh. maybe i don't know tony as well as i think"? >> no, no. because um -- tony knew also that -- doing something stupid, as in going to kill this man, then what? then you end up in jail for the rest of your life and is it really worth it? i mean -- what mattered for him