EMBED >More News Videos Investigators are searching the Indiana clinics where a deceased doctor used to work after thousands of preserved fetal remains were found at his home in Chicago's south suburbs last week.

SOUTH BEND, Ind. -- More than 2,400 fetuses found in an Indiana abortion doctor's Will County home were formally buried on Wednesday.Indiana Attorney General Curtis Hill was among the attendees at the solemn memorial in South Bend this week.The burial was held at Southlawn Cemetery and the service was donated by the Palmer Funeral home.The babies were found in Dr. Ulrich Klopfer's home outside of Crete last year after the doctor died.Officials said Klopfer's family found the fetal remains in his garage when they were sorting through his belongings after his death last September.Investigators believe they may never know why the doctor held onto the remains.