Possible Clues:

• Connecticut's state hero
• Continental Army spy
• American hero with a famous regret
• Revolutionary War hero spelled using only the letters of 13-Down
• Patriot of 1776
• He was sentenced by General William Howe
• American Revolution hero
• Hero whose statue appears in front of Chicago's Tribune Tower
• *"I only regret that I have but one life ..." speaker
• Colonial hero with the same six letters as 22-Across