Skeletal remains of a young girl are found .
When brought back to the lab , the team recognizes this is not just any murder but Howard Epps , who the team encountered in the first season , a convicted serial killer on death row .
Skeletal remains of a young girl are found , and when brought back to the lab , the team recognizes this is not just any murder but Howard Epps , who the team encountered in the first season , a convicted serial killer on death row .