Police Investigating Suspicious Substance Found In Letter Near Jan. 6 Committee Chairman's Office

(1:35)

Suspicious substance triggers hazmat response

(1:13)

HPD officer became ill after exposure to suspicious substance

(2:18)

Haz-Mat investigates suspicious substance

(32)

Suspicious Substance Evacuation

(1:49)

Tempe neighborhood evacuated after ‘suspicious substance’ found

(20)

Suspicious Substance At Trump Towers

(1:27)

Workers to return to Tampa federal building after 'suspicious substance' removed by hazmat team

(1:26)

Suspicious Substance Sent To U.S. Rep. Sessions' Dallas Office

(14)

Suspicious Substance

(26)

Suspicious substance in envelope

(37)

Bank evacuated after former employee leaves 'suspicious substance' on envelope, police say

(2:4)

Police investigate suspicious substance at West Jeff. clinic

(1:1econd)

NYPD Investigating Suspicious Substance Mailed To Preschools

(40)

SLED, FBI investigate suspicious substance in water bottles

(2:6)

Official: No Suspicious Substance Found At Md. Senator's Office

(42)

Suspicious substance at death investigation

(27)

Suspicious Substance on Plane

(49)

Suspicious substance found in package at The Tennessean

(38)

Authorities investigate suspicious substance on letters

(1:31)