Investigators say around 10:30 Wednesday evening, officers were sent to "Our Lady Of Guadalupe Social Hall" near 23rd and O Streets to check on a person's well being.
When they arrived, they found a deceased male on the premises.
The investigation is ongoing.
Anyone with information is urged to contact "Omaha Crime Stoppers" anonymously at 402-444-STOP (7867) or at www.omahacrimestoppers.org or at www.p3tips.com
Tips leading to the arrest of a homicide suspect are eligible for an enhanced reward of $25,000.