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Tim Tebow, Heisman Trophy winner and football commentator, visited with prisoners inside of a Gatesville, Texas, prison. In a tweet, Tebow said he visited the Alfred Hughes Unit and "[encouraged] them in the hope that Jesus brings." 244

This week, an arrest was made in a 20-year double murder case gone cold. The victims were two 17-year-old Alabama girls. The big break for police: results from a DNA ancestry test. Police arrested 45-year-old Coley McCraney through genetic genealogy, which used his DNA to find relatives. Investigators say they were inspired by the arrest of the Golden State Killer back in April, when police used genetic genealogy to link 72-year-old Joseph James DeAngelo, to at least 13 murders and more than 50 rapes in California during the 70's and 80's. Police used that same technology to arrest men responsible for other unsolved cases that dated back to the 1970’s. "Well over the years, you think about it all the time. I don't think that ever leaves anybody that was working then. It never left your thoughts,” says retired Newport Beach Police Officer Stan Bressler of unsolved cases. So, how are police able to use genetic genealogy results to solve these cases? “We get DNA from a crime scene,” says Ellen Greytak of the first step. Greytak works with Parabon NanoLabs, which helped police arrest suspects in 1,000 years of cold cases. She says her company uploads the DNA to the genealogy database GEDmatch, which is separate from companies like Ancestry.com and 23andMe.“So, they have over a million people in that database and what's returned is basically a list,” Greytak explains. “Here are the people…who share the most DNA with your unknown person.” Then, genetic genealogists step in, building family trees and then narrowing down suspects based on information. “So we know where the crime happened; we know when it happened,” Greytak says. “That limits the age range. You know the person might have lived nearby, but not always.” The information is then handed off to police, who often conduct a traditional DNA match, before making an arrest. Still, some groups are concerned about privacy. However, Greytak says anyone can choose to opt out.“They choose to either set their data to private in GEDmatch, so they're not part of searches, or to take their data down. You know they have full control over that,” Greytak explains. 2151

Three visitors were injured, one fatally, in falls in Yosemite National Park last week, and officials are imploring tourists to avoid venturing off-trail.A 21-year-old man died after he slipped and fell from the base of a waterfall in the California park, National Park Service officials told CNN on Monday.He was one of three people to slip near waterfalls in the park last week, officials said in a 413

The recent deaths of two young children, who were in U.S. border custody shelters, hit a retired U.S. nurse particularly hard. Retired nurse Beverly Lyne decided to take action, traveling to the U.S.-Mexico border in order to help migrant families. “They're just people wanting to live their lives without fear of their children being kidnapped and trafficked, without their land being taken away from them,” she says.Lyne is no stranger to humanitarian crises. Her medical career has taken her to places like Haiti, Nicaragua and Uganda. After seeing the caravan of Central Americans living in tents and running from tear gas, she wanted to see for herself what was going on and how she could help. “I've always worked, so I’m here and I’m going, ‘Oh, I need to do something.’” By handing out supplies with the human rights group Border Angels and offering medical care when she could, Lyne saw firsthand how the children may not be getting the nutrition they need. The recent of two migrant children, one of which who died from the flu, affected Lyne.“They're stressed. Mommy is there, or daddy isn't there,” Lyne says. Homeland Security says children in custody will be assessed more thoroughly, but Lyne says more has to be done, like sending medical specialists in to evaluate the children. Lyne is glad she’s able to witness this firsthand. She says what she saw was much different than what she had heard. “Because we hear from our leadership that there are all these terrorists that are hovering there with weapons to come in and harm us,” Lyne says. “I didn't see anybody that gave me pause to worry about my safety or wonder what the heck they're doing there.” Lyne hopes her presence showed migrants something about Americans they might never meet. “That they are being remembered, that they aren't forgotten and that we are caring for them,” she says.Lyne hopes to give a new perspective from the other side of the wall. 1945

Transgender activist Sarah McBride announced Tuesday that she's running for a Senate seat in her home state of Delaware.McBride, 28, would become the first transgender person elected to a state senate if chosen to represent Delaware's 1st District. McBride made waves 280