A judge denied bond for 28-year-old Antoine Larkins and 25-year-old Demorris Hill. Attorneys for the two other men charged — Phillip Allison, 28, and 23-year-old Gregory Reedfields — waived their clients' right to a hearing.

Hill and Larkins are also suspects in a similar robbery of New York Knicks forward Eddy Curry, who was tied up and robbed in his suburban Chicago home last month. That robbery occurred just a few weeks after Walker was robbed at his Chicago town house.

In the Walker case, all four men are charged with home invasion, armed robbery and aggravated kidnapping, according to the Cook County state's attorney's office.

Sam Adams, an attorney representing Reedfields, said his client is innocent and "police did not get the right guy." The names of attorneys representing the other suspects were not immediately available.

A Burr Ridge police spokesman, Luke Vulpo, said today that Hill and Larkins have been formally charged with armed robbery, aggravated kidnapping and home invasion in Curry's case. They were scheduled to appear in bond court Monday on those charges, he said.

The robbery at Walker's house happened July 9 when Walker was home with a relative. Multiple masked robbers bound the two with duct tape and held them at gunpoint. They made off with Walker's Mercedes, cash and jewelry.

Less than three weeks later, Curry, his wife and an employee also were tied up and robbed by masked gunmen at Curry's home in Burr Ridge.

Police officers and detectives used cell phone records, fingerprints and surveillance camera video to gather evidence in the case, according to authorities.