MSNBC Dateline February 19, 2022 09:46:00
>> reporter: so cara took the stand and tried to explain why there were differences in the way she told her story. she also explained to the jury that she was smiling in those photos taken two days after she shot j.j., because her friend asked her to smile. then came the bombshell. >> he left a suicide note. >> reporter: when did he write that note? >> i don't know when he wrote it. >> reporter: attorney futerman said he made the discovery after going through more than 300 pieces of evidence. >> and i bursted out crying because i thought his last words to me were, "i'm going to kill you and yo...