Henry Rollins struck up a bizarre relationship with cult leader Charles Manson - after the murderer sent him a letter from behind bars.Former Black Flag frontman Rollins received a note daubed with swastikas from Manson in 1984, and corresponded with him for several months.Manson, serving life for seven counts of murder and one of conspiracy to murder, made a series of warped claims to Rollins, including that the Beach Boys had stolen his songs.Rollins admits the letters from the Manson Family cult leader made him feel "intense and heavy". The singer says, "He wrote me a letter out of the blue once and he said, 'I saw you on MTV and I thought you were pretty cool'. So we corresponded a few times in 1984; I'd just tell him about what we were doing with our new record and he'd send back semi-lucid responses."He made references to the Beach Boys stealing his ideas, which sounded like sour grapes, and told me to tell everybody else to take care of wildlife. That must have been the old hippy in him talking."At the time, I was very young and having him write me letters made me feel very intense and heavy. I'd always know I'd have a letter in my PO Box from him because the woman behind the counter at the post office would give you this awful look."His letters would always have swastikas on them so they were easy to spot."