People gather Tuesday to grieve the five people killed inside a bank, in Louisville, Kentucky.
Mandatory Credit:	CNN

People gather Tuesday to grieve the five people killed inside a bank, in Louisville, Kentucky.
Mandatory Credit: CNN

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The Louisville shooter's family says he had mental health challenges as the city prepares to honor the victims

As officials in Louisville, Kentucky, prepare to host a vigil to grieve the five people killed Monday in a downtown bank shooting, the 25-year-old gunman's family released a statement saying he struggled with depression but they had no idea he was plotting the attack.As officials in Louisville, Kentucky, prepare to host a vigil to grieve the five people killed Monday in a downtown bank shooting, the 25-year-old gunman's family released a statement saying he struggled with depression but they had no idea he was plotting the attack.