It really isn't a "conspiracy theory" to state that at least one of the reasons Burnham won't investigate Epstein's abuses in the UK is because he was given his seat and enabled to become PM by Labour Together, an org founded and managed by acolytes of Epstein's friend Peter Mandelson.
Burnham not considering public inquiry into UK activities of Jeffrey Epstein
Victims’ minister said earlier that PM was ‘looking into’ inquiry into Epstein and another into Mohamed Al Fayed
theguardian.com