In Illinois, thousands of remains of fetuses were found in the private residence of Dr Ulrich Klopfer.
The discovery was made by relatives as they were doing house cleaning of objects of Dr Klopfer who died on the 3rd September.
The doctor used to specialize in abortion at an Indiana clinic, however his licence was revoked by the government in 2016.
Dr Klopfer was accused of failing to report to authorities an abortion on a 13-year old girl and that he worked without the assistance of other medical experts during the abortion procedures.
The doctor had claimed that during his career, his patients all survived and were healthy following abortion, and argued that no one should preach who women decide their life in their own interest.
An investigation was initiated on the case.