United Kingdom, May 2 -- Kelsey Grammer says writing his new memoir helped him to heal from sister's violent murder.

The 70-year-old actor's younger sister Karen was abducted, raped and murdered in 1975 and although he was 2,000 miles away at the time, Kelsey had never forgiven himself for not being able to protect her.

However, he revealed that writing the book 'Karen: A Brother Remembers' 50 years later, has finally helped him to come to terms with his grief and guilt.

He told Us Weekly: "It's been amazing. I don't carry the self-loathing part anymore. I don't blame myself anymore. I just miss her.

"The whole idea was to bring Karen here to remember her. People have said, 'Wow, I really feel like I got to know her,' and that's what ...