Related Clues:

• Be an informer
• Produce strains
• Turn on Tony Soprano?
• Converse
• Name names
• Squeal to the cops
• Short address
• Doubled, a pen
• Make a deal with the feds, say
• Community hootenanny
• Act the fink
• Blab freely
• Hootenanny, e.g.
• Verbalize
• Let the air out?