Pennsylvania couple facing criminal homicide charges after their one-year-old son is found DEAD from a drug overdose and 11-year-old boy living at their home tests positive for cocaine

 A couple have been arrested after their baby boy died from a drug overdose inside their Pennsylvania home. 

Tracy Humphreys and Thomas Snelsire, both aged 45, turned themselves into police last Thursday, and are now facing criminal homicide charges over the death of their one-year-old son, Thomas. 

Authorities were called to the couple's Baldwin residence on September 13 after Thomas was discovered unconscious. 

However, a criminal complaint claims that the baby had been dead for 'some time due to the condition of his body'. He was reportedly found wrapped in a blanket on the property's front porch. 

Tracy Humphreys and Thomas Snelsire, both aged 45, are facing criminal homicide charges after their one-year-old son, Thomas, died from a drug overdose inside their Baldwin home

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Baby Thomas is pictured in a recent photo. Authorities were alerted to his parents' home on September 13 where they reportedly discovered him dead on the front porch 

Police searched the property and discovered a plastic straw in the baby's pack-n-play crib with 'an unknown white powder' in it. 

Pills, cocaine and heroin were also uncovered in the home. 

A subsequent autopsy determined the tot had fentanyl in his system and had died from an overdose.  

Meanwhile, police also performed a drug test on an 11-year-old boy who was living at the address. 

The boy is reported to be Humphrey's biological son and the test revealed that he had cocaine in his system. 

Humphreys and Snelsire are additionally facing child endangerment and drug possession charges. 

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The home where baby Thomas lived with his parents. Authorities discovered pills, cocaine and heroin inside the residence 

WPXI reports that a detective 'filed two separate child endangerment reports on the couple earlier this year'. 

However, a Children & Youth Services caseworker completed an inspection of their home just last month and found no drug paraphernalia or evidence of narcotics use. 

Humphreys and Snelsire remain behind bars. 

Meanwhile, a relative has started a GoFundMe page to raise funds for baby Thomas' funeral. 

'Tommy brought his family so much pride and joy. He was such a happy baby and his family would like to see Little Tommy off in the most respectful way possible,' the organizer - Samantha Snelsire- wrote. 

'Little Tommy will truly be missed and a part of his family's life will forever be broken due to this unpredictable and tragic accident.'

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According to the criminal complaint, obtained by WPXI, a straw containing a suspicious substance was found in Thomas' crib