Why tapes of Marilyn Monroe's therapy sessions could prove her death 'definitely wasn't suicide'

Read the latest extract of MAUREEN CALLAHAN's explosive new Kennedy biography: 'I know who killed Marilyn' - stunning new claim unearthed

A new book raises fresh questions about Marilyn Monroe death and whether or not it was a suicide.

In 'Ask Not: The Kennedys and the Women They Destroyed', author and DailyMail.com columnist Maureen Callahan delves into the mysterious circumstances surrounding Marilyn's final days.

The book – which is being published exclusively by the Mail – tells how, after Marilyn died aged 36 in August, 1962, Former LA County deputy district attorney John Miner spoke at length to Marilyn's psychoanalyst Dr Ralph Greenson.

A new book raises fresh questions about Marilyn Monroe death and whether or not it was a suicide.

Author and DailyMail.com columnist Maureen Callahan delves into the mysterious circumstances surrounding Marilyn's final days.

Dr Greenson spoke to Miner 'at length' and let him listen to 'a 40-minutes tape of [Marilyn] sharing her plans for the immediate future,' Callahan writes.

'As a result of what Dr Greenson told me,' Miner is reported to have said, 'and from what I heard on tape recordings, I believe I can say definitely that it was not suicide.'

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Untold secrets of JFK's assassination and his insatiable sex addiction revealed by MAUREEN CALLAHAN

Marilyn's body was discovered by her housekeeper in the early hours of August 5, 1962.

'She was face-down on her bed, nude, with her phone still in her hand,' Callahan writes.

When the FBI arrived at her home, they were ordered to remove 'certain phone records'.

The records were later recovered in the 1980s, Callahan writes, and 'logs showed she'd called Bobby [Kennedy]'s workplace eight times between June 25th and 30th. Her final call to him lasted eight minutes.'

The content of these calls is not known, but 'reports suggest she'd had an abortion on July 20, and that the baby may have been Bobby's,' Callahan writes.

Marilyn had simultaneous affairs with Bobby and his brother JFK.

Before her famous 'Happy Birthday' performance to JFK at Madison Square Garden on May 19, 1962, Marilyn had sex with Bobby in her dressing room backstage.