North Korea Used Drugs to Torture and Kill Otto Warmbier

Lt. Col. Tony Shaffer believes North Korea’s repeated use of drugs killed American student Otto Warmbier. "He was tortured not so much the way—pulling fingernails out with tools but by repeated drugging—sodium pentothal," Shaffer told the FOX Business Network’s Maria Bartiromo.

The retired U.S. Army general said North Korea was trying to figure out whether Warmbier was a CIA spy and repeated exposure to drugs during that year in captivity is what caused brain damage.

In Shaffer’s opinion, there needs to be “some level of retaliation,” from President Trump.

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