Cops investigating the double murder have also reopened the case into a 2015 hit-and-run of teen Stephen Smith
2015: Teenager Stephen Smith dies
Smith was found on the side of the road.
Police officially rule his death a hit-and-run but he had suffered blunt force trauma to the head
His mother has since shared her belief that she thinks he was killed in a hate-crime because he was gay
Case notes obtained by DailyMail.com revealed Paul's older brother Buster was named multiple times in the investigation.
Police wanted to know more about his relationship with Stephen
Stephen's mother said he had been having a 'fling'.
In a deposition years later, one of Paul's friends said the family had 'covered' other killings up.
He mentioned Smith's death.
2018: Murdaugh family housekeeper Gloria Satterfield dies
Murdaugh family housekeeper Gloria Sattlerfield dies
Gloria died after 'falling' down the stairs in the family house
The family gave her family $500.000 in a wrongful death settlement but it's unclear why her death was ruled to be their fault.
Alex Murdaugh was listed as the defendant in the lawsuit.
Satterfield was only 57 when she died.
She left behind a husband and children.
Her death was also mentioned in the deposition by Paul Murdaugh's friend.
2019: Mallory Beach dies being thrown from boat driven by Paul Murdaugh
Mallory Beach, 19, died in February 2019
Paul was charged afterwards because he'd been drinking and was behaving 'belligerently' that night.
He had been released on bond.
Other kids were on the boat but were unharmed.
One testified that they were scared to speak about the Murdaugh family because they knew how to 'cover things up'.
That boy named Stephen Smith and the housekeeper, and claimed Paul pushed her
June 7 2021: Paul and Maggie are murdered
The mom and son were found shot dead at the family home in Hampton, South Carolina.
Alex Murdaugh says he found them at the home.
The medical examiner said the pair had been dead for an hour at most when he discovered them.
Alex's son Paul, 22, (left) and wife Maggie, 52, (right) were found dead from multiple gunshot wounds on June 7 at the family hunting lodge