A 76-year-old man was charged Sunday with shooting and killing his 45-year-old daughter-in-law at a Schaumburg, Illinois hotel.

Schaumburg police said Roland Schmidt was upset with the woman, Christine Moyer, over divorce paperwork she was filing against his son. Schmidt and Moyer were both attending a wedding at the hotel, police said.

On Monday, a judge in Rolling Meadows Court ordered Schmidt held in custody on charge of first-degree murder.

In a proffer, the Cook County State's Attorney's office said Schmidt was Moyer's father-in-law. Moyer had been married to Schmidt's son for about 16 years, and they had two children together, prosecutors said.

Moyer served her husband with divorce papers on July 8, and the husband told his father about the divorce two days later, prosecutors said.

Schmidt had been divorced from the mother of his son since 1999, and their divorce was not amicable, prosecutors said. Schmidt did not have a close relationship with his ex-wife or his adult children, and had been living alone since the divorce, prosecutors said. He had several medical issues and used a cane to walk, prosecutors said.

Moyer, her husband, and their two children had moved from Chicago area to Ohio in August 2024, but came back on Wednesday of last week to attend doctors' appointments and to go to a wedding on Friday, prosecutors said.

The wedding was an adults-only affair and Moyer and her husband's children stayed with a babysitter at the home of Schmidt's daughter and her husband, prosecutors said. The wedding on Friday night was for Schmidt's nephew, and the ceremony and reception were held at the Marriott Hotel at 50 Martingale Rd. in Schaumburg, prosecutors said.

Schmidt had a room at the hotel, and Schmidt, his ex-wife, Moyer, her husband whom she was divorcing, and Schmidt's daughter and her husband all sat together at the same table at the wedding, prosecutors said. Nothing out-of-the-ordinary happened at the wedding — there were no fights, quarrels, or conversations about Schmidt's son and the divorce from Moyer, as Schmidt's son had only told his parents, prosecutors said.

Around 10:12 p.m., the family decided to leave the wedding. Moyer's husband walked Moyer to her car, as she planned to go to her sister-in-law's house to pick up their children and give her husband some extra time with his father, prosecutors said.

As everyone left, Schmidt's son noticed his father was walking faster than usual, prosecutors said. They did not know why Schmidt was leaving with the rest of the family to begin with, as he had a room in the hotel and some of them had already said goodbye to him, prosecutors said.

As everyone was walking to the parking lot, Moyer was talking to her sister-in-law about parking at the latter's house, prosecutors said. Moyer slightly turned her head, and Schmidt stood directly behind her, pulled out a gun, and shot her in the back of the head, prosecutors said.

Schmidt's son saw his wife fall to the ground and tried to put pressure on the wound, while Schmidt's daughter tried to take the gun from him in fear that he would continue shooting — but could not do so, prosecutors said. The daughter's husband also tried to get the gun away from Schmidt, and an unrelated person who was outside the hotel smoking at the time helped wrestle Schmidt to the ground, prosecutors said.

The son-in-law was able to get the gun, prosecutors said. Meanwhile, an off-duty police officer who happened to be nearby took the gun until Schaumburg police officers arrived, prosecutors said.

Schmidt was arrested on the spot, prosecutors said. As Schmidt was being taken to the squad car, he asked his son for forgiveness, prosecutors said.

Schmidt, of Stillman Valley, Illinois southwest of Rockford, admitted to authorities that he had made a plan to shoot Moyer about a week ago and was planning to die by suicide afterward, prosecutors said.

Moyer, of Galena, Ohio, was taken to Advocate Lutheran General Hospital in Park Ridge, where she was pronounced dead. She suffered one gunshot wound that entered through the back of her head and exited through her right eye, prosecutors said.

Prosecutors said Schmidt had a Firearm Owners Identification Card that had expired in 2023.