EntertainmentMoviesHorror MoviesMike Flanagan to produce supernatural horror movie from popular film YouTuber about missing paranormal investigatorWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. EntertainmentMoviesHorror MoviesMike Flanagan to produce supernatural horror movie from popular film YouTuber about missing paranormal investigatorWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. (Image credit: Paper Street Productions) According toDeadline, Flanagan will executive-produce the pic under his Intrepid Pictures banner alongside producing partners Trevor Macy and Melinda Nishioka. Per the official synopsis, “Mia (Camille Sullivan) frantically searches for her sister Riley (Sarah Durn), after Riley ominously disappeared in the last tape of a group of paranormal …