Servicemember suicides are on pace this year to decline for the second consecutive year. Yet, for three straight years more members of the military have taken their own lives than have died in combat.

Police are frequently first responders to a mental-health crisis, situations that can be fraught with uncertainty -- and sometimes, danger. And mental-health issues often go untreated or overlooked, until there's a crisis.

Five days of training with the Crisis Intervention Team began Monday at the Indianapolis Metropolitan Police Department. About 40 officers are participating in an effort to help them better understand mental illness, ranging from depression to schizophrenia, the legal process and how to engage others while on a call.