Kelly Taylor, smiling with her chin resting on her hands, has a stack of books in front of her on a table that she used for research for her Tucson, AZ, walking tours.

If you want to take a deeper dive into some really fascinating websites, videos, podcasts, articles and books I’ve been using for research, here’s where to look!

Downtown True Crime Tour:

Stack of books on a bookshelf with titles like "Toxic Rage," "The Last Testament of Bill Bonanno," "A Socialite Scorned," "Bound by Honor," "Cold-Blooded," "Murder & Mayhem in Tucson," "Arizona: La Calle," and "Tucson Was a Railroad Town."

Blenman-Elm TrueCrime Tour: