the chilling mystery of the hinterkaifeck murders: unsolved for over 100 years Published 3 weeks ago • 490 plays • Length 0:48 Download video MP4 Download video MP3 Similar videos 46:45 the strange case of the hinterkaifeck farm murders | heinous history 4:49 the hinterkaifeck farm murders: a deep dive into germany’s most mysterious crime #truecrime#unsolved 8:51 the horrible murders on the hinterkaifeck farm.