Officers obtained a search warrant for the family home and discovered a notebook in Michael's room with swastikas scribbled on it.
Barry Tomes, who worked with the band on and off over 45 years, remembered a pinch-me moment when he first joined them on tour."I fly out of Northfield [in Birmingham] and I'm in South Africa, I'm standing watching the Beach Boys. I'm crying, because I'm like, wow, how did this happen?" he said.
"It's quite surreal - I'm 25 years old, I'm a kid from a council estate in Northfield, and I'm a tour manager."The Beach Boys were one of the USA's biggest bands of the 1960s, who introduced surf-rock to worldwide audience with songs like I Get Around, Surfin' USA and Good Vibrations.The group was formed by Wilson with his younger brothers Carl and Dennis, cousin Mike Love and friend Al Jardine.
as a "humble musical giant" with "huge musical intellect".Mr Tomes, who had already worked with Alvin Stardust and Lulu before joining the Beach Boys on tour, described Wilson as "amazing" and his music as "timeless".
"Brian was a very complex character. 'Genius' has been used a lot which is absolutely true," he said.
"He always came back to music and that's the important thing.""Albinos have pink eyes and tend not to survive long because the lack of pigment in the eye causes them to lose eyesight. It is much rarer in wild birds.
"The leucistic trait is caused by an inherited lack of pigment cells - melanin being the same chemical that gives humans brown skin tones."He said research suggested about one in in 30,000 birds had either leucism or albinism.
Those who spotted it shared their sightings on Facebook, with some claiming to have seen more than one of the rare birds in the town.Orcas were "deliberately disturbed" by a speedboat off the Moray coast, police have said.