Cult leader William Kamm and partner arrested in Sydney over alleged child grooming

William “Little Pebble” Kamm and Sandra Costellia expected to be charged following six-month NSW police investigation

Cult leader William Kamm and his partner have been arrested in Sydney over allegations they groomed a 19-year-old woman for sex from the age of six.

Kamm, 73, who refers to himself as “Little Pebble”, allegedly sent the girl letters and homemade gifts and called her on the phone.