stacy ruggles says that when she reached dr.upset. >> and he was sobbing on the phone. sobbing. he says, i've lost my best friend. >> what else did he tell you about that day? >> that he was the one that wanted to notify the family. >> but in an interview with "dateline," jackson's brother jermaine says that notification never happened. dr. murray, that day in the hospital, did he say anything to you? did he express his condolences or sorrow? >> no. he didn't say anything to me. >> after your brother died, dr. murray is quoted as saying, i feel like i've lost my best friend. >> really? first time i saw dr. murray was in the hospital when i got the news that michael had passed. and i didn't know who he was when he walked in, but i noticed his behavior. for someone who said they lost their best friend, they would how d he act? >> he was doing this, fidgeting and looking around. i said, something's wrong. >> and of course there was something wrong. michael jackson was dead. dr. murray had to know some serious scrutiny was coming. >

his friend and former medical assistant stacy ruggles visited him in jail. >> he was extremely positive. he told us he had read the bible from front to back twice already. >> reporter: according to tmz, murray has been placed on suicide watch while in jail, reportedly telling friends that he's lost the will to live. the sheriff's department refused to comment on murray's physical or mental health, but ruggles says those reports don't sound like the man she's known for more than a decade. >> i'm sure anybody that were to go to jail that's never experienced anything like that may at some point feel defeated or may feel that they're at a breaking point. >> reporter: in an interview taped before his trial ended, murray told savannah guthrie that he wasn't mentally preparing for life behind bars. >> have you thought about what it would be like to spend four years in jail? >> that is a chapter that i have not thought about because i do not have any plans for any such activity. >> reporter: now murray's future lies in the hands of judge michael pastor. >> dr. murray's reckless conduct in this