Unfounded threat reported at Colorado justice’s home

(1:10)

Palm Beach County, Treasure Coast school districts alert parents about 'unfounded' threat

(1:55)

Watch update: 'Unfounded' threat reported at East High School

(11:11)

Two Ponchatoula schools put on lock down for investigation of ‘unfounded threat’

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Pittsburgh Police press conference on unfounded threats at multiple schools

(6:51)

Unfounded threat reported at Colorado Supreme Court justice’s home

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Threat against Palm Beach County school 'unfounded,' principal says

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unfounded threat at local high school raises concerns

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Springfield police at Sabis Charter School following 'unfounded threat'

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Police responding to unfounded threats at multiple local schools

(2:24)

Police: East High School threat unfounded

(2:47)

'Unfounded' threat prompts evacuation of East High School

(1:52)

Students return after lockout, unfounded threat at East Greenbush Central School District

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'Unfounded' threat causes concern at Park Vista

(2:14)

Unfounded threat at Hampton high school

(1:50)

Denver officials address East High School lockdown response after unfounded threat

(5:39)

VIDEO NOW: Unfounded threat delays dismissal at Providence middle school

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Troy PD responds to unfounded threat at multiple schools

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School officials: Threat unfounded

(2:8)

Unfounded school threats - Boca Raton

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