Rearranging the letters of 'Mark Chapman' (John Lennon's assassin) gives:
Pack harm man.
(by Jim Banholzer) (2010) (pending approval)
Other related anagrams without their own page:
"Mark Chapman personal identity crisis" -> "Man pack harm, realistic destiny prison." (by Jim Banholzer) (2018) (pending approval)
"White Album backwards" -> "I dub, watchmaker bawls." (by Jim Banholzer) (2017) (pending approval)
"Sirhan Bishara Sirhan" -> "A harsh brain hairs sin." (by Jim Banholzer) (2012) (pending approval)
"Mister Lee Harvey Oswald" -> "Armed, we shot vile slayer." (by Judson T. Pewther using Anagram Genius) (2010) (pending approval)
"Sir Paul McCartney, singer of The Beatles and Wings" -> "Geriatric windbag, useless remnant. (Plenty of cash.)" (by David Bourke using Anagram Genius) (2004)
"The late John Lennon, Sir Paul McCartney, the late George Harrison, and Ringo Starr" -> "In long careers, they all once sang major hits in a rather talented Northern group." (by Larry Brash) (2004)
"Dick Rowe to Brian Epstein: "Groups with guitars are on their way out."" -> "George Harrison, surprised: "A bit patient with you, we can work it out."" (by Adie Pena by hand) (2008) (pending approval)
"The Beatles' long-playing record "Sgt. Pepper's Lonely Hearts Club Band"" -> "Highly regrettable concern: Pop legend Paul plays bass better on LSD." (by Adie Pena by hand) (2008) (pending approval)
"The former Beatles singer/bassist Paul McCartney" -> "Being that silly scouser, a perfect embarrassment!" (by David Bourke using Anagram Genius) (2004)
"Beatles" -> "Be stale." (by Joe Fathallah by hand) (2004)