Story highlights A patient was attacked outside a Cancer Treatment Centers of America facility in Zion, Illinois$25,000 has been pledged as a reward for information leading to the capture of the killer(CNN) Shannon Vincel of Springfield, Missouri, will be laid to rest Tuesday. The breast cancer patient was sitting outside the guest quarters of Cancer Treatment Centers of America in Zion, Illinois on Aug. 15 when she was struck in the head with an unknown object by a man, the Zion Police department said in a press release. Cancer Treatment Centers has pledged $25,000 for information leading to the arrest and conviction of the man responsible for the murder, according to Kristen Gerlach, a spokeswoman for the hospital. CTCA at Midwestern Regional Medical Center is located just north of Chicago, IllinoisVincel was a patient at Cancer Treatment Center's Midwestern Regional Medical Center located midway between Chicago and Milwaukee, according to the police. "Our thoughts and prayers go out to the family and friends of the victim," said Gerlach, who noted Cancer Treatment Centers have increased their security presence as a precautionary measure.

Source: CNN August 23, 2016 13:30 UTC