Anthony Marcus is charged with two counts of first-degree murder and is being held in the Lake County Jail, the Daily Herald reports.
His wife, Sun, 50, and daughter, Samantha, 17, were strangled in their Waukegan town home and the family's dog was also killed, according to the article.
Samantha had muscular dystrophy and required a wheelchair to get around. Neighbors told reporters the family was friendly and they often saw Samantha wheeling through the neighborhood, taking the family dog for walks.
Police found a suicide note on the porch of the town home in the 4100 block of Continental in northwest Waukegan that apologized to Marcus' daughter — but not the one who was killed — for being a "failure at everything," according to the Chicago Tribune.
Police found Marcus inside the town home injured, but alive, after he cut his wrists, according to the article. The bodies of his wife and daughter were found in the basement of the town home.
Read more on the Daily Herald
Updated: 8:30 p.m. Monday, June 9
A 53-year-old man has been arrested after police said he killed his wife, his disabled teenage daughter and the family's dog Sunday night in Waukegan, according to the Daily Herald.
Police were called around 6:15 p.m. Sunday to the 4100 block of Continental in northwest Waukegan after a man, who police believed to be the suspect, called 911 to report he had killed his family and planned to kill himself as well, the Daily Herald reports.
Police found the man injured but not dead in the Waukegan townhome and they also found a note, which was believed to be a suicide note, according to the article. The man is in custody Monday morning at a hospital.
Charges have not yet been filed in the case, according to WGN-TV.
View a WGN-TV video above