U.S. Army reservists who witnessed the mental and physical decline of a colleague who would commit Maine’s deadliest mass shooting told a commission that they tried to intervene before the tragedy. Six weeks before Robert Card killed 18 people at a bar and bowling alley in Lewiston, Maine, last October, his best friend and fellow reservist Sean Hodgson texted a warning to supervisors. Hodgson told a commission Thursday that is investigating the killings that he feared at the time that Card was about to conduct a mass shooting. The commission also heard Thursday from other Army personnel and from the state’s director of victim witnesses services.