The family and friends of Richard Garcia say they talked to him last Wednesday while he was at his home near 83rd Street & Commercial Avenue.
They have been distributing flyers and are asking the community and police for help.
"We're very concerned," said Erin Garcia, Richard Garcia's cousin.
Garcia is described as a 46-year-old, 5-foot-4 Hispanic male with brown eyes, glasses and a salt-and-pepper beard. He was last seen wearing a gray and orange FedEx jacket, gray hoodie, jeans, and a gray and orange FedEx hat.
Police say he works in Hammond and may have been last seen in Chicago.