Deutsche Strategic Municipal Income Trust is a closed-ended fixed income mutual fund launched and managed by Deutsche Investment Management Americas Inc. The fund invests in the fixed income markets of the United States. It primarily invests investment grade or unrated municipal securities of comparable quality, as well as in high-yield municipal securities that are below investment grade. The fund seeks to invest in securities that are exempt from federal income tax. It invests in securities that are rated at least B by Moody's or B- by Standard & Poor's. The fund benchmarks the performance of its portfolio against the Barclays Municipal Bond Index. It was formerly known as DWS Strategic Municipal Income Trust. Deutsche Strategic Municipal Income Trust was formed on March 22, 1988 and is domiciled in the United States.