After testing, cause of Niagara Falls mystery illness still unknown

The FBI and Niagara County Sheriff's Office have released more information about a mystery illness that impacted 21 people involved in raiding a Niagara Falls home. On December 14th, federal and local law enforcement members raided the home at 4 Packard Court in Niagara Falls. During the raid, police say they found drugs and bomb-making materials, and arrested 28-year-old Jeffrey Richards. After the raid, 21 of the officers and investigators involved reported feeling sick with various symptoms.