Has Penelope Committed Robbery

Justin asks his girlfriend Penelope, a bank teller, to let him know what time the security guard takes his lunch break so that he can successfully rob the bank. Penelope tells Justin the security guard takes his break at 1:00. The next day, which is Penelope’s day off, Justin successfully robs the bank at 1:15. Has Penelope committed robbery? Why or why not? In what manner can Penelope be liable for Justin’s crime?