WASHINGTON (AP) — Hillary Rodham Clinton says many unanswered questions remain about the deadly 2012 terrorist attack in Benghazi, Libya, even as U.S. authorities have captured their first suspect in the case.

Clinton said in separate interviews with CNN and Fox News that she was still seeking information on the attacks that killed U.S. Ambassador Chris Stevens and three other Americans.

But she defended the Obama administration's response to the incident and said the State Department tried to respond to the fast-moving attacks that have become a focal point of criticism from Republicans.

The potential 2016 Democratic presidential candidate addressed the Benghazi investigation in the two interviews as part of a promotional tour for her new book, "Hard Choices," about her four years as President Barack Obama's secretary of state.