A 15-year-old girl beaten to death with a golf club in a wealthy Connecticut neighborhood. Does her diary hold clues to the killer? "48 Hours" correspondent Erin Moriarty reports. Watch more full episodes of "48 Hours" on Pluto TV. #48hours #crime #mystery True crime. Real justice. "48 Hours" inv
125:44
125:43
86:53
128:52
84:19
42:01
87:33
25:55
43:18
45:18
41:49
41:17
106:48
42:00
41:20
42:27
42:02
57:08
42:06
41:08