The surviving suspect in the Boston Marathon bombings has reportedly cited the wars in Iraq and Afghanistan as a motive behind last week’s attack. According to The Washington Post, Dzhokhar Tsarnaev told interrogators from his hospital bed that the U.S. invasions of Iraq and Afghanistan motivated him and his brother to carry out the bombings that killed three people and wounded over 170 more. Investigators say it appears the brothers were “self-radicalized” through the Internet and U.S. actions in Muslim countries. No evidence has emerged linking their acts to foreign militants.