A Pennsylvania couple accused of tying and weighting down a mattress on top of their toddler son’s crib so he couldn’t climb out have been charged in his suffocation death.

29-year-old Justin Dwyer and 28-year-old Courtney Stash were charged Tuesday with involuntary manslaughter and other crimes in the April death of their two-year-old son.

Lebanon County detectives say the Myerstown couple told them to hold the mattress in place, Dwyer and Stash placed two 50-pound bags of rock salt on top of the mattress and tied down the objects with a bungee cord.

29-year-old Justin Dwyer and 28-year-old Courtney Stash were charged Tuesday with involuntary manslaughter and other crimes in the April death of their two-year-old son 

It appears little Eoin, 2, suffocated after his parents allegedly placed a mattress on top of his crib weight down by two bags of rock salt

It appears little Eoin, 2, suffocated after his parents allegedly placed a mattress on top of his crib weight down by two bags of rock salt

It appears little Eoin, 2, suffocated after his parents allegedly placed a mattress on top of his crib weight down by two bags of rock salt

According to WGAL-TV detectives say the boy still tried to climb out and got his head above the crib’s rail, but became trapped and suffocated by the weight of the mattress and rock salt. 

On the day Eoin died, the couple found the boy unresponsive and called 911. It was later determined that Eoin suffocated, according to the report.

An autopsy showed the boy’s death was caused by ‘asphyxia due to entrapment between crib and overlying twin mattress secured by bungee cording.’ 

Stash told police when she found her son, he was standing/leaning and slumped over a top railing of his crib, according to court documents. 

Stash explained she immediately grabbed the boy and took him into the living room where she performed CPR on him on the living room couch. 

On the morning of the boy¿s death, Stash and Dwyer were overheard talking about how the mattress was ¿holding the boy down on his neck so that he could not get out'

On the morning of the boy¿s death, Stash and Dwyer were overheard talking about how the mattress was ¿holding the boy down on his neck so that he could not get out'

On the morning of the boy’s death, Stash and Dwyer were overheard talking about how the mattress was ‘holding the boy down on his neck so that he could not get out’

An autopsy showed the boy¿s death was caused by ¿asphyxia due to entrapment between crib and overlying twin mattress secured by bungee cording¿

An autopsy showed the boy¿s death was caused by ¿asphyxia due to entrapment between crib and overlying twin mattress secured by bungee cording¿

An autopsy showed the boy’s death was caused by ‘asphyxia due to entrapment between crib and overlying twin mattress secured by bungee cording’

When police searched their home and found a mattress and two 50 pound bags of driveway salt and bungee cords in the master bedroom closet. 

An inspection of the boys crib showed scuff marks on the crib rails consistent with the size and shape of the hooks from the bungee cords.

On the morning of the boy’s death, Stash and Dwyer were overheard talking about how the mattress was ‘holding the boy down on his neck so that he could not get out,’ according to the criminal complaint. 

Dwyer and Stash face felony counts of involuntary manslaughter, conspiracy related to involuntary manslaughter, two counts of aggravated assault, two counts of conspiracy related to aggravated assault, unlawful restraint, conspiracy related to unlawful restraint, endangering the welfare of a child, and conspiracy related to the endangering of a child. 

The couple also faces misdemeanor counts for simple assault, conspiracy related to simple assault, recklessly endangering another person, and conspiracy related to recklessly endangering another person.

Charges were filed Tuesday and no court dates have been set at this time, according to online court documents.

Online court records don’t list attorneys for the couple.

Read more at DailyMail.co.uk