Welcome to Dumb History! Today we are counting down 111 of the deadliest most dangerous and most unhinged criminals in American history. From serial killers who volunteered at suicide hotlines to mob bosses brought down by tax returns this is the ultimate criminal countdown you never knew you needed
71:52
80:13
164:28
36:22
72:08
54:29
217:36
68:16
35:08
106:24
146:32
34:22
26:46
208:50
36:40
83:30
57:38
120:24
37:46
57:56