Possible Clues:

• Honest sort
• Frank meets Bud Ward in New York - he's an honest broker
• Plain and honest speaker, unlike Beckham famously?
• Honest person
• Frank Small from 24 across is in hospital - all one will say is it comes from the hip
• Candid sort
• You'd expect this from a sniper in a row with basketball player
• Frank, the gunman, is to be trusted
• Apt description of 1-Down