SFPD detective Darryl Morris was Inspector Andy Trudeau's partner and survives, then learns himself about he Charmed Ones' magical abilities, and develops an uneasy symbiotic relationship with them, Leo and Cole while he's good: they often need each-other's help, but usually feel held back by their different concerns, such as keeping the witches' identity secret and legal technicalities.Darryl in season 6 realizes how dangerous is for him to help the Charmed Ones and he decides not to help them again. But he still keeps their secret.