Posted
The Secret Service says an envelope mailed to the White House has tentatively tested positive for the lethal toxin cyanide and will undergo more testing to confirm the results. Linda So reports.
02:38
02:41
01:57
01:34
01:28
02:28
01:39
00:53
02:26
02:01
00:56
02:16
02:15
01:31
01:59
01:01
01:10
01:01
00:40
00:40
01:16
01:41
04:20
01:13
02:01
01:26
01:06
01:02
01:41
01:41
01:49
01:06
01:17
01:20
01:44
01:09
01:34
01:42
01:59
01:10
00:53
02:30
01:30
02:51
02:08
01:49
02:56
02:16
03:05
00:45
02:15
01:27
01:53
02:08
01:32
01:13
01:18
01:01
01:03
01:20
01:13
01:08
01:45
01:29
01:20
01:11
01:08
01:09
01:03
01:02
01:31
01:30
01:36
00:34
01:31