Hostage situations

FILE - In this March 7, 2019, file photo, Christine Levinson, wife of Robert Levinson, a former FBI agent who vanished in Iran in 2007, left, gets a hug from Babak Namazi, right, the son of Baquer Namazi who has been held in Iran, following their testimony before a House Foreign Affairs Subcommittee on Capitol Hill in Washington. The killing of a top Iranian general has ratcheted up the anxiety of families of Americans held in Iran. (AP Photo/Susan Walsh, File)

This booking photo provided by the Rockford, Ill., Police Department shows Nicholas August, 39, who was charged Saturday, Jan. 4, 2020, with armed robbery, aggravated criminal sexual assault and unlawful restraint. He is being held on $2 million bail. Police say he entered a Rockford, Ill., bank on Friday, took a woman hostage and sexually assaulted her during a standoff with police. (Rockford Police Department via AP)

In this photo taken on Friday, Oct. 25, 2019, Olga, last name withheld for safety reasons, poses with a window frame in a park in Kyiv, Ukraine. After being snatched by pro-separatist militias from her hometown of Alchevsk in August 2014, Olga survived three mock executions and was rescued by her girlfriend 10 days later. (AP Photo/Zoya Shu)

Nazanin Boniadi, left, an actress and activist, listens as Sarah Moriarty, the daughter of Robert Levinson, a U.S. hostage in Iran, speak about her father's captivity, Tuesday, Dec. 3, 2019, in Washington. At front is international human rights lawyer Jared Genser. (AP Photo/Jacquelyn Martin)

Australian Timothy Weeks smiles during a press conference in Sydney, Sunday, Sunday, Dec. 1, 2019. The Australian teacher held captive with an American colleague by the Taliban for more than three years believes U.S. Navy SEALs tried and failed six times to free them. Weeks was released last month in a prisoner swap along with American Kevin King, ending an ordeal that began with their 2016 abduction outside the American University in Kabul, where they worked. (Jeremy Piper/AAPImage via AP)

FILE - In this July 5, 2016, file photo, candles and flowers, offered in memory of victims of the attack on Holey Artisan Bakery, are reflected in a rainwater puddle in Dhaka, Bangladesh. A special tribunal in Bangladesh has sentenced seven members of a banned militant group to death for their involvement in an attack on a Dhaka cafe that more than 20 people. (AP Photo, File)

Cindy Warmbier, left, speaks as his husband Fred listens on, about their son Otto Warmbier who died after being released by North Korea in 2017 during a press conference in Seoul, South Korea, Friday, Nov. 22, 2019. The Warmbiers say they are committed to finding and shutting down illicit North Korean business assets around the world in efforts to hold its government accountable for widespread human rights abuses. (AP Photo/Ahn Young-joon)

FILE - In this May 3, 2019, photo, Afghan President Ashraf Ghani speaks on the last day of the Afghan Loya Jirga meeting in Kabul, Afghanistan. Taliban officials have told The Associated Press that three Taliban prisoners released by Kabul have been flown to Qatar for a swap for an American and an Australian hostage held by the insurgents. The three Taliban prisoners were to have been freed more than one week ago by Afghan President Ashraf Ghani. (AP Photo/Rahmat Gul, File)