 According to Hagen, the RCMP and the FBI cooperated in their effort to harass American war resisters during the late 1960s.Although several people expressed the opinion that Mike Jeffrey had set Hendrix up in an effort to control him and create dependency, Shapiro and Glebbeek dispute this theory based on Jeffrey's severe risk of significant financial shortfall had Hendrix been convicted.Jeffrey's assistant, Trixie Sullivan, speculated that the drugs had been planted by a fan who became disgruntled after Hendrix refused his sexual advance.