A Massachusetts man allegedly stabbed his girlfriend to death at his home before burying her in a 5-foot grave and calling cops to report her missing, claiming she stormed off following an argument.

Gregory Groom, 22, stands accused of murder, assault and battery on a pregnant person and witness intimidation in the death of 18-year-old Kylee Monteiro in Rehoboth, which is some 50 miles southwest of Boston. Groom was arraigned on the murder charge on Wednesday morning after investigators recovered Monteiro”s body on Tuesday night.

According to prosecutors, Groom called Rehoboth cops on Aug. 8 and told them Monteiro had been at his home two days prior, looking for a place to stay. He claimed they got into a verbal spat and she left his home, and she hadn’t been heard from since, District Attorney Jason Mohan told the judge. Groom told investigators that his girlfriend was typically active on social media but had not posted since he last saw her, according to a local pool feed provided by Boston NBC affiliate WBZ.

Detectives then spoke to Monteiro’s sister, who received a text message from Monteiro on Aug. 6 that allegedly stated that “he threw me on the ground and pulled my hair and strangled me. My phone is at 4% and if I die it was Greg.” Family members said they tried to reach her but to no avail.

Prosecutors noted at the hearing that Monteiro was 11 weeks pregnant at the time of her death.

Cops went out to Groom’s home on Aug. 14 to search the 25-acre property with cadaver dogs and an emergency response team but did not come up with anything of note.

Groom once again spoke with investigators on Tuesday. During that interview, he allegedly admitted to having an altercation with his girlfriend. During the argument, he said he knocked her cellphone out of her hand. Detectives told Groom that they were again going to search his property and “dig if necessary.”

“Mr. Groom then paused,” Mohan said. “He was given an opportunity to tell the police where Ms. Monteiro’s body was located either by being taken to his property and pointing it out or drawing a map or telling officers where her body was located, as they believed Ms. Monteiro was dead.”

The defendant then drew a “rudimentary” map that showed a shed on the property. He allegedly told cops that he stabbed Monteiro twice in the neck and once in the chest on Aug. 6. The kitchen knife broke off when he stabbed her in the chest, he said, according to Mohan. She died, and Groom spent that night and early morning hours the next day digging a grave. Once he reached five feet of depth, he pushed her body into the hole and buried her, Mohan said.

Crime scene investigators went to the shed where they saw a large pile of brush. Under the brush, they found a pool of blood where Groom is believed to have killed his girlfriend. About 20 yards away, cops found “feet upon feet” of cut down trees. They pushed the trees to the side where they found freshly moved dirt, according to Mohan.

In the hole was Monteiro’s body.

Monteiro’s family started a GoFundMe that was first created to help in the search for her.

Now, the fundraiser is for her funeral.

“Thank you for all your help in spreading awareness and for all the support our family has received so far,” the family wrote. “This is closure and we are so thankful for everyone’s help in getting here. Obviously there will be court proceedings but we are taking this one step at a time.”

Groom is next scheduled to appear in court on Sept. 10. He is being held in jail without bond.