Suspected Additional Remains Found in Seattle 'Probably' Belonged to Murdered Mom Ingrid Lyne: Police
04/15/2016 AT 03:35 PM EDT
A police spokesman tells PEOPLE the suspected remains were recovered from a container located roughly two blocks from the recycling bin where Lyne's dismembered parts were found.
The spokesman confirms that investigators are exploring a "probable connection" between the newly-discovered body parts and Lyne's homicide.
John Robert Charlton, 37, faces charges of first-degree murder and theft in connection with the death of Lyne, 40. Lyne's remains were found on Saturday, just hours after she was reported missing.
Charlton told police that he and Lyne had been dating for about a month after meeting online, charging documents allege. He said the two went to a Seattle Mariners game on Friday night and eventually went back to her home, according to court documents.
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"He could not remember much of the evening. He 'thinks' he and Lyne had sex," the documents state. "Lyne drove him back to Seattle (he 'thinks'); he fell asleep on the sidewalk," the charging documents state.
A woman described in the documents as Charlton's ex-girlfriend told investigators that Charlton spent Saturday and Sunday night with her.
"He was supposed to come to her house on Saturday morning to help with yard work but texted her that 'something had come up,' " the woman told authorities of the day Lyne was reported missing, according to the charging documents.
She allegedly said Charlton showed up later Saturday morning with an injured lip, claiming he had been robbed in Seattle and that the culprits "took his money." She noticed, however, that Charlton still had his wallet.
Court records show that Charlton has an extensive criminal history, with convictions in several states for aggravated robbery, theft, grand theft of a motor vehicle, assault and third-degree larceny.
He is expected to appear in court for the charges related to Lyne's death on April 27th, according to the King County Prosecutor's Office.
PEOPLE's calls to Charlton's lawyer, Gordon Hill, have not been returned.