Randy Duke Tried to Be a Father to Mark Duke

As investigators looked into Mark Duke and his background, different pieces started to paint a picture about the relationship between Mark and Randy Duke.

Season 1 Episode 3 - Videos

1:51

Preview

Evidence at the Duke Murder Scene Suggests Multiple Perpetrators

1:51

Exclusive

Mark Duke's Girlfriend Wears a Wire

Now Playing

1:46

Exclusive

Randy Duke Tried to Be a Father to Mark Duke

2:12

Exclusive

Did Randy Duke's Debts Play a Role in His Murder?

Trending on Oxygen

1:07

Preview
Killer Reveals Himself in the Horrifying "Rage Killing" of Millard Aldridge
3:07

Sin City Murders
Omar Rueda-Denvers Speaks Out at His Trial and Reveals Motive of Murder
1:12

Snapped
“Bizzare Markings” Found at Juanita Wofford’s Home
1:56

Snapped
Criminologist Explains Necrophilia
3:00

Kill or Be Killed
Anthony Templet Speaks Out After Shooting His Father
1:34

Kill or Be Killed
Anthony Templet Shot His Father in His Arm, Chest and Head
1:17

Cold Justice
Your First Look at Cold Justice Season 7
2:58

Prosecuting Evil with Kelly Siegler
Adrienne Jones Caught In Deadly Love Triangle
2:04

Dateline: Secrets Uncovered
16-Year-Old Meghan Landowski Was Stabbed to Death in Her Home
0:58

Cold Justice
Blood Found Dripping from Brand New Car Trunk
1:23

Sin City Murders
Who Was Skilled Poker Player Donald Idiens?
3:07

Dateline: Secrets Uncovered
Kris Jenner Shares Details on O.J. Simpson's Relationship with Nicole Brown Simpson
2:09

Dateline: Secrets Uncovered
"War Room" Established by Portsmouth Police in Stabbing Death of Teenager
1:59

Dateline: Secrets Uncovered
A Small Leaf Found on the Floor Becomes Major Clue in Murder Investigation
1:51

Snapped: Killer Couples
Killer Couples: Nick Godejohn Spent 'Magical' Days With Gypsy Rose Before The Murder
2:05

Sleeping With Death
Did Yolanda Holmes’ Boyfriend Play a Role in Her Death?
1:28

Sleeping With Death
Who Was Yolanda Holmes?
1:42

Snapped
Kristin Durgan Calls Police

Randy Duke Tried to Be a Father to Mark Duke

Season 1 Episode 3 - Videos

Trending on Oxygen

Killer Reveals Himself in the Horrifying "Rage Killing" of Millard Aldridge

Omar Rueda-Denvers Speaks Out at His Trial and Reveals Motive of Murder

“Bizzare Markings” Found at Juanita Wofford’s Home

Criminologist Explains Necrophilia

Anthony Templet Speaks Out After Shooting His Father

Anthony Templet Shot His Father in His Arm, Chest and Head

Your First Look at Cold Justice Season 7

Adrienne Jones Caught In Deadly Love Triangle

16-Year-Old Meghan Landowski Was Stabbed to Death in Her Home

Blood Found Dripping from Brand New Car Trunk

Who Was Skilled Poker Player Donald Idiens?

Kris Jenner Shares Details on O.J. Simpson's Relationship with Nicole Brown Simpson

"War Room" Established by Portsmouth Police in Stabbing Death of Teenager

A Small Leaf Found on the Floor Becomes Major Clue in Murder Investigation

Killer Couples: Nick Godejohn Spent 'Magical' Days With Gypsy Rose Before The Murder

Did Yolanda Holmes’ Boyfriend Play a Role in Her Death?

Who Was Yolanda Holmes?

Kristin Durgan Calls Police