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A starting point for investigators trying to trace the bombs sent to Democratic figures and CNN this week: the postmark.But in some cases, it appears to be a missing clue.The postmark typically indicates when and where the mail was sent from and is marked over the stamps -- "canceling" them, and preventing the stamps from being reused. Unlike stamps, most of which cannot be traced, the impression left by a postmark or mail meter is distinctive and can help investigators focus their search.A postmark is visible in a photo of at least one of the packages seen by CNN. A postmark is not visible in photos of several other packages shared with CNN -- only adding to the questions about their origins.The lack of a postmark is very rare, according to Nancy Pope of the National Postal Museum.A postal inspector who spoke to CNN on the condition of anonymity indicated it would be very unusual for a piece of mail to leave the facility where it was dropped off for delivery without such a mark.That could indicate that a sender or senders were working in multiple diverse geographical areas, including New York, Washington, Florida and California.Another source told CNN it is possible some of the stamps may not have been canceled because of the package's soft sides and odd shape, which would make it difficult to stamp.The US Postal Service's website also says mail may not be postmarked if it was processed through a meter or if the postage was paid by permit or precanceled stamp. None of those appear to apply to this situation.Adding to the mystery are post office markings on one of two packages sent to former Vice President Joe Biden indicating the stamps on the package did not cover the cost of the delivery, and additional postage is due.That suggests the package was weighed at some point during the shipping process, a former postal inspector told CNN.It was unclear from the photo whether that package had been postmarked.Postmarks can be applied by machine and by hand, depending on how a piece of mail is sent, according to the Postal Service. When mail is run through an automated system at a processing distribution center, the postmark is applied, and the mailed item is screened by a biohazard detection system.It was not clear why postmarks were not visible on several of the packages, and the US Postal Inspection Service provided a statement to CNN that did not address the question."The U.S. Postal Service has developed a comprehensive approach to protecting the mailsystem by utilizing a targeted strategy of specialized technology, screening protocols and employee training," read the statement.The statement noted its Dangerous Mail Investigations Program includes law enforcement officers who "are trained to recognize the common characteristics of suspicious mail and are highly proficient in the use of state-of-the-art equipment to include portable X-ray machines." 2907

A new study out of a pediatric medical center in Chicago suggests that young children do not only spread COVID-19 more efficiently than adults, but they could be major drivers in the pandemic as schools start to reopen.The report was published at the end of July and examined concentrations of COVID-19 in the nasopharynx, or the upper region of the throat that connects nasal passages. According to the results, children ages 5 and younger who develop mild to moderate symptoms have 10 to 100 times as much COVID-19 in their nasopharynx as adults.“This is a very complex issue involving not just the virus, but everything else,” said Dr. Kwang Sik Kim, director of pediatric infectious disease at Johns Hopkins University Hospital. "We don’t have any real data to indicate to schools what they should do, what is the best recipe they need to follow.”The study raised concerns about the erratic behavior of children and how it could play a factor in the virus’ spread, reading, "Behavioral habits of young children and close quarters in school and daycare settings raise concern for SARS-CoV-2 amplification in this population as public health restrictions are eased. In addition to public health implications, this population will be important for targeting immunization efforts as SARS-CoV-2 vaccines become available.”“Don’t, under any circumstance, even think about opening that school for in-class instruction until you’ve got the virus under control,” said Lily Eskelsen Garcia, president of the National Education Association.Eskelsen Garcia teaches 39 6th-graders in Salt Lake City and says unless the infection rate of a community is below 5 percent, as outlined by the CDC and WHO, school districts should not even consider opening for in-person instruction.Currently, the infection rate in the United States is 7.8 percent."If you open a school before you get the infection rate under control, you will turn that school into the community’s super-spreader,” said Eskelsen Garcia.“Make a decision for today based on the information available today, and then act differently when you have data tomorrow. I think that’s the right approach,” said Dr. Kim. 2170

A teacher at a Virginia high school was fired this week for allegedly refusing to stop calling a transgender male student a girl, ABC News reported. The teacher, Peter Vlaming, was reportedly fired for violating the school's nondiscrimination and anti-harassment policies. Vlaming was a French teacher at West Point High School in West Point, Va. "After thoughtful deliberation, the School Board voted to support the superintendent’s recommendation," the school's board wrote in a statement. "The School Board has adopted policies and tonight we upheld these policies."Vlaming claimed that his religion prevented him from identifying the boy by his preferred pronoun. Vlaming did agree to use the student's male name. A petition, which has more than 2,000 signatures, was launched in support of Vlaming. Vlaming said in the petition, "I won't use male pronouns with a female student that now identifies as a male though I did agree to use the new masculine name but avoid female pronouns. Administration is requiring that I use masculine pronouns in any and every context at school. I was informed that any further instances of using female pronouns would be grounds for termination." On Friday, students held a walkout and protest at the school in response to Vlaming's firing, WWBT-TV reported. “The school board is trying to force the teacher to conform to their ideologies with the threat of removal from the school,” Forrest Rohde, a junior who organized the walkout, told WWBT. James Millner, the president of Virginia Pride, agreed with the board's decision. "He violated school policy, despite multiple warnings from administrators. We do need statewide policy guidance that protects lgbtq students and prevents situations like this from happening again," he wrote.  1867

A Philadelphia-area Dunkin' Donuts employee is accused of selling meth and heroin while in uniform, even sometimes using the store's drive-thru window for illegal activity, CBS Philadelphia reported. The Lancaster County District Attorney’s Office claims 35-year-old Nathan Wade Pizzardi was seen selling illegal drugs while on duty. Investigators told CBS Philadelphia that he was spotted in August and September selling heroin and meth. Law enforcement claims that Pizzardi would sell the drugs using the store's drive through, or sometimes would make transactions in the parking lot, while in uniform. Pizzardi has been charged with a pair of felony drug offenses, and is facing an ,000 bond. 751

A viral social media video that showed a backlog of mail reportedly in a Miami-area post office has prompted a Florida state attorney to launch an audit of postal facilities ahead of next week’s election.The audit comes amid concerns of the post office’s handling of ballots this election season, with some ballots taking over a week to be delivered within the same county.“I have requested that all postal distribution centers be audited and any and all ballots that may remain in these centers be immediately transported to the Department of Elections,” said Katherine Fernandez Dundle, Miami state attorney for the 11th judicial circuit, serving Miami-Dade County. “I further understand that administrative action was taken by the Office of the Inspector General regarding the employee's negligence at the Princeton distribution center.”The video that went viral was posted by Florida’s House of Representatives Minority Leader Kionee McGhee, who is a Democrat. McGhee claimed that mail had been sitting in the Florida mail facility for over a week. 1060