Christine Mustafa: Police planning to search SR 85 landfill for missing Phoenix woman

PHOENIX - Phoenix police are slated to dig through a landfill next week in search of a north Phoenix woman who has been missing since last spring.

Police say they plan to search the SR 85 landfill southwest of the Valley on Monday, Oct. 23 for 34-year-old Christine Mustafa’s body, which has yet to be located.

The young mother was last seen on May 10 leaving a Walgreens where she worked. The following day she failed to show up for her shift, police said.

On June 8, authorities arrested her live-in boyfriend, 27-year-old Robert Interval, on one count of first-degree murder.

According to police, Interval told investigators that Mustafa had walked to work on the day she didn’t show up for her scheduled shift at Walgreens.

Just days before her disappearance, Mustafa allegedly told her sisters that she was afraid of her boyfriend. According to her sisters, she was planning to leave him because he repeatedly accused her of cheating and even threatened to kill her.

Phoenix Police released the following timeline on Mustafa's disappearance:

  • May 10, 2017: Christine was last seen by a coworker as she was leaving work.
  • May 10, 2017: Later in the day, Christine spoke to her sister by telephone. This was the last time Christine had been heard from.
  • May 11, 2017: Christine failed to show for her scheduled work shift.
  • May 11, 2017: The family of Christine called Phoenix police and asked them to check on the welfare of Christine. The police went to her home but there was no answer at the door. Christine's boyfriend arrived while police were at the home and he told them Christine had left for work earlier that morning on foot. Phoenix police entered a Missing Person report at this time.
  • May 16, 2017: Detectives from the Phoenix Police Department served a search warrant on Christine's home in an effort to locate clues to her disappearance.
  • June 8, 2017: Mustafa's boyfriend arrested, booked for first-degree murder
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