Ed and Lorraine Warren were paranormal investigators who did what type of hunting?
The Conjuring (film series):  The films present a fictional take on the real-life cases of Ed and Lorraine Warren, paranormal investigators and authors associated with prominent yet controversial cases of haunting. Ghost hunting: Ghost hunting is a pseudoscience wherein its adherents visit and investigate locations that are reported to be haunted by ghosts. Typically, a ghost hunting team will attempt to collect "evidence" that they see as supportive of paranormal activity. Ghost hunting:  Some ghost hunters refer to themselves as a "paranormal investigator".
Ghost hunting