[Southack]

"My fearless prediction: It's an inside job"

Wouldn't an "insider" know when the bank vault would be open (i.e. 3PM rather than 2:20)?!

[FootBall]

Some say he/them copied this robbery from a CSI episode as described below.

http://www.allyourtv.com/shows/c/showguidecsimiami.html

1-2 Losing Face--09/30/2002

A necklace bomb explodes, killing a Colombian businessman and a bomb technician who was Horatio's former mentor. The murders cause Horatio to become emotionally involved in the case, which worries Megan, especially after a second bomb is discovered.

Written By: Gwendolyn Parker and Steven Maeda
Directed By: Joe Chappelle
Guest Stars: Joe Renteria as Aurelio Moreno; Jessica Ferrarone as Julisa; Mercedes Colon as Katrina; Conor O'Farrell as Berenger; Liz Alvarado as Lauriana; Lou Beatty Jr. as Al; Candy Brown Houston; Alex Paez as Det. Martin Puig; Seth Adkins; Bill Jacobson; Magaly Caicedo as Lauriana and Lou Beatty Jr.

[rond]

Wouldn't an 'insider' know when the bank vault would be open?

Yes. Which is why I speculate that the robber wasn't in the loop.