A Texas man was arrested on suspicion of killing a woman this week, after police said his phones data revealed he had been at the womans home and conducted suspicious online searches after her disappearance, including How long does it take for a body to decompose to bones.

The U.S. Marshals Joint East Texas Fugitive Task Force arrested Jesse Lee Williams, 40, on Tuesday, on charges of murder in connection to the death of Paula Belonga, 51. Belonga was reported missing in April, and has not been found dead or alive. However, investigators described in an arrest affidavit why they believe Williams was responsible for her death.

Authorities say that Belongas car was found parked at the mobile home where Williams was staying, that Williams phone was used to make a series of suspicious internet searches, and that a necklace belonging to Belonga and a bone were found on the side of the road in a location mentioned in the online searches.

Williams has not yet appeared in court, and a request for comment to his attorney was not immediately returned on Thursday.

According to the arrest warrant, Belonga was reported missing on April 9 by her brother, who had not heard from her in a few days and told police she hadnt picked up her son in Louisiana as planned. She was last seen by traffic cameras leaving her apartment in Tyler, Texas, on April 7 in her white Chevrolet Impala.