 Near McMahon Boulevard. One of the men fatally shot McManus during the attempted robbery and two of the men engaged in an exchange of gunfire with a neighbor who confronted them. Those arrested are 32-year-old Joseph Montoya and 28-year-old Austin Wilkins. The third, 24-year-old Christopher Darling, was already in jail on other charges. All three facing an open count of murder, aggravated assault with a deadly weapon, and tampering with evidence. Kenneth Kirtley, NewsRadio KKOV.