The piece of mail was handed over to the FBI for further testing, CAIR said.
Fogle earlier was sentenced to more than 15 years in prison.
Dozens have fallen ill with E. coli and norovirus after eating at the fast-casual chain.
Dear killed three people at a Colorado Springs clinic.
"There is no place in Philadelphia for hate crime and its perpetrators," Mayor Michael A. Nutter said.
The Florida Fish and Wildlife Commission was brought in to trap and euthanize the 11-foot gator.
In early September, Trump signed a loyalty pledge to the Republican Party.
The school says 80 students became sick after eating at the fast casual restaurant.
Trump proposed banning Muslims from entering the United States on Monday.
Trump's proposed ban would affect even Muslim Americans living abroad.
Yes, the teddy bears outnumbered the hockey fans in attendance that night.
Holm defeated defending champ Ronda Rousey with a kick to the head.
Gun manufacturers Smith & Wesson and Sturm Ruger & Co. see stocks rise about 7 percent.
Speech follows San Bernardino shooting that is being investigated as an act of terrorism.
The FBI is investigating the deadly California shooting as an act of terrorism.
Members of the media entered Syed Farook and Tashfeen Malik's home on Friday.
The cookie was 102 feet wide and took eight months of planning.
The teenager is accused of trespassing.
Robert Lewis Dear, 57, is accused of killing Garrett Swasey and two others, Ke'Arre Marcell and Jennifer Markovsky.
The California attackers killed 14 people and wounded 21 others.
ISIS claims the attackers were followers of the militant group.
The defense has rested in the first of the six separate trials.
The vigil came a day after two shooters killed 14 people and injured 21 others.
Fourteen people were killed and 21 were wounded.
Here is what we know about the victims.
Syed Rizwan Farook and Tashfeen Malik killed 14 people and injured 21 in the shooting on Wednesday.