It is excluded from income, so there is no reason for this income to be reported.
Public safety officers.
A spouse, former spouse, and child of a public safety officer killed in the line of duty can exclude from gross income survivor benefits received from a governmental section 401(a) plan attributable to the officer's service. See section 101(h). A public safety officer that's permanently and totally disabled or killed in the line of duty and a surviving spouse or child can exclude from income death or disability benefits received from the federal Bureau of Justice Assistance or death benefits paid by a state program. See section 104(a)(6).
PUB 525