A documentary premiering on April 18 will cover the first involuntary manslaughter convictions for parents of a school shooter.

The disturbing rants behind bars from the father of school shooter Ethan Crumbley are now being made public.

Get a first look at the trailer of the new Hulu documentary, which premieres on April 18.

The parents of Oxford High School mass shooter Ethan Crumbley were sentenced after each was found guilty of four counts of involuntary manslaughter in separate trials earlier this year.

Families of the four slain Oxford High School students spoke out before the judge sentenced James and Jennifer Crumbley on their manslaughter convictions.

Jennifer and James Crumbley, the parents of the Oxford High School mass shooter, Ethan Crumbley, were sentenced to 10 to 15 years for four counts of involuntary manslaughter.

Ethan Crumbley's parents were convicted on manslaughter charges stemming from the Oxford high school shootings. Relatives of an Oxford survivor join the show.

Nicole Beausoleil, the mother of Oxford High School shooting victim Madisyn Baldwin, delivered an impact statement in court.

The parents of teenagers killed in a 2021 Michigan school spoke in court, asking the judge for the maximum sentence for the parents of school shooter Ethan Crumbley.

Jennifer and James Crumbley, the parents of Oxford High School mass shooter Ethan Crumbley, were sentenced to 10 to 15 years Tuesday.

James and Jennifer Crumbley were both convicted of four counts of involuntary manslaughter. Prosecutors argued they ignored warning signs in days before the shooting and bought their son the gun used.

Nicole Beausoleil lost her daughter Madisyn in the 2021 Michigan school shooting carried out by the son of James and Jennifer Crumbley.

Jennifer and James Crumbley are the first parents ever convicted in a school shooting committed by their child. ABC's Trevor Ault and former prosecutor Bernarda Villalona have details.

A jury convicted James Crumbley of involuntary manslaughter over his role in his son’s 2021 school shooting at Oxford High School in Michigan, which killed four people and injured seven others.

ABC News’ Stephanie Ramos, reporter Trevor Ault and legal contributor Brian Buckmire discuss James Crumbley being found guilty of involuntary manslaughter in his son’s deadly school shooting case.

A jury has convicted James Crumbley of involuntary manslaughter over his role in his son's 2021 school shooting at Oxford High School in Michigan.

The jury in James Crumbley’s trial found him guilty of involuntary manslaughter for all four victims of his son’s 2021 school shooting in Michigan. Crumbley will be sentenced April 19.

James Crumbley is accused of enabling his son’s deadly Michigan school attack.

Jury deliberations resume today in the trial of James Crumbley, who’s accused of enabling his son’s deadly Michigan school attack. ABC News’ Andrea Fujii has the closing arguments.

A jury is starting day two of deliberations in the trial of the father of the Michigan high school shooter.

The jury has begun deliberating after prosecutors and the defense have rested in James Crumbley's manslaughter trial over his role in his son's 2021 school shooting.

Footage shows James Crumbley telling police where to find guns in his home prior to a search warrant being executed, just hours after the Oxford school shooting.

James Crumbley is on trial for involuntary manslaughter a month after a jury convicted his wife on the same charges.

Prosecutors played a recording of a 911 by James Crumbley when he found out his gun was gone, and claimed it showed he knew his son might be the shooter.

James Crumbley's manslaughter trial continues, with multiple witnesses taking the stand and testifying about his alleged activity in the days leading up to the shooting.

Testimony is expected to resume Friday in the trial of a Michigan high school shooter's father.

James Crumbley's manslaughter trial continues with the judge excluding texts between Jennifer and Ethan Crumbley from evidence.

James Crumbley's trial comes just weeks after his wife, Jennifer, was convicted of involuntary manslaughter.

James Crumbley's manslaughter trial over his role in the 2021 Michigan school shooting has begun weeks after Jennifer Crumbley was found guilty.

James Crumbley, the father of Oxford High School shooter Ethan Crumbley, is going on trial for involuntary manslaughter in connection with his son's mass shooting.

James Crumbley is charged with four counts of involuntary manslaughter, one for each of the four students killed when Ethan, then 15 years old, opened fire in November 2021.

Jennifer Crumbley became the first parent in the U.S. convicted in connection with a mass shooting committed by their child.

A jury found the mother of Michigan school shooter Ethan Crumbley guilty of involuntary manslaughter in connection with the shooting deaths of four students at Oxford High School in November 2021.

Jennifer Crumbley was found guilty of involuntary manslaughter over her son's 2021 school shooting. What does this ruling mean for parents of mass shooters?

The Michigan mom faced four charges of involuntary manslaughter after her son killed four fellow students and injured seven others at Oxford High School in 2021.

A jury has found Jennifer Crumbley, the mother of Michigan school shooter Ethan Crumbley, guilty of involuntary manslaughter.

Ethan Crumbley's mom was found guilty of four counts of involuntary manslaughter, a rare conviction holding a parent accountable for their role in their child's school shooting.

After two days the Michigan jury reached their decision in this landmark case, making Crumbley the first parent to be charged in this way for a school shooting committed by their child.

ABC News contributor Kim Wehle reacts to the guilty verdict against Jennifer Crumbley, analyzes what it could mean for other parents and whether the case could lead to new gun safety measures.

Jennifer Crumbley, mother of Michigan school shooter Ethan Crumbley, was found guilty of four counts of involuntary manslaughter in connection with the November 2021 Oxford High School shooting.

The mother of Michigan school shooter Ethan Crumbley was found guilty by the jury.

It is the first time in American history that a parent has been found guilty in relation to their son's actions in a mass shooting.

ABC News' Linsey Davis speaks with ABC News Legal Contributor Kim Wehle about the jury in the Jennifer Crumbley trial and what aspects of the case will be key in their deliberations.

Jurors spent all day deliberating on Jennifer Crumbley's manslaughter charges and will continue deliberating on Tuesday.

The Michigan mom is charged with four counts of involuntary manslaughter after her son shot and killed four students at his school in 2021.

Jennifer Crumbley, who is charged with four counts of involuntary manslaughter for the four classmates her son murdered in December 2021, could be sentenced to up to 60 years in prison if convicted.

A Michigan jury is expected to begin deliberating the fate of Jennifer Crumbley, the first parent in the U.S. charged in a child's school shooting. ABC News’ Alison Kosik has the details.

A jury heard closing arguments late Friday for the trial of a Michigan mother charged after her son's deadly school shooting rampage.

Jennifer Crumbley, the mother of Oxford High School shooter Ethan Crumbley, is the first parent of a school shooter to stand trial for involuntary manslaughter.

ABC News' Stephanie Ramos spoke with law professor Kim Wehle following closing arguments in the case against Jennifer Crumbley, the first of its kind against the parent of a school shooter.