By . Phil Vinter and Lydia Warren . PUBLISHED: . 04:24 EST, 17 April 2012 . | . UPDATED: . 14:07 EST, 17 April 2012 . The estranged husband of a woman who went missing on Friday is travelling home from Afghanistan, where he is on active duty as a Marine, to help look for his wife. The disappearance of Brittany Killgore, 22, from Fallbrook, California, comes just days after she filed for a divorce from her husband of two years, Cory Killgore, 22. Police believe another Marine, 45-year-old Louis Ray Perez, may have been the last person to see Killgore alive and said they suspect foul play after he was 'uncooperative' during their questioning. Scroll down for video . Missing: Brittany Killgore was last seen on Friday with a marine who was later arrested on an unrelated charge . Perez was arrested Sunday on an . unrelated charge of possession of an AR-15 assault rifle and is being . held in San Diego Central Jail. Killgore had told friends she was . going to . spend Friday evening in the Gaslamp Quarter in San Diego. Police do not . think she ever made it there, but her cell phone was recovered in the . area. San Diego County Sheriff's . Department search-and-rescue teams searched a canyon near Fallbrook in . the hope of finding the missing woman on Monday. Officers also searched her apartment. Sheriff's lieutenant Larry Nesbit said . Perez, who is based at Camp Pendleton, was questioned about Killgore's . disappearance. Estranged: Brittany Killgore filed for divorce from husband Cory, . who is also a marine, two weeks ago . Fears: Cory, right, is returning from Afghanistan after hearing about the disappearance of his wife, left . In an interview for KTLA 5 news Nesbit added: 'Based on the totality of the circumstances - the fact that she is in . normally in constant contact with her friends but she has not been heard from since Friday and the fact that . Mr Perez was less than forthcoming in his interview with us - we believe that . there there is a strong likelihood Brittany is the victim of foul play.' Ms Killgore was last seen wearing a dark purple evening gown, with purple floral glitter patterns. She is 5 ft 7 inches, 130 pounds with brown hair and brown eyes, according to the Sheriff’s department. It is believed she filed court documents for divorce earlier this month from her husband of two years. Mr Killgore is currently on duty in Afghanistan, but is on his way home because of his wife's disappearance. He is not suspected of being involved in the case. Serious: The Fallbrook scene where Louis Ray Perez is being questioned in connection with the disappearance . Christopher Oglesby, a friend who lives in the same apartment complex as . the Killgores, told ABC News they were 'a very loving couple'. He said: 'I could say they liked to hang out with one another, but his job made . it hard for him to sometimes be able to find the time.' Fellow family members are also reported to be flying to Fallbrook from other parts of the U.S. Investigators say they don’t know whether the marine in . custody and the marine in Afghanistan know each other and won’t reveal the exact nature of their relationship. Perez is being held on $500,000 bail and set to be arraigned on Wednesday. See below for video . video platformvideo managementvideo solutionsvideo player .
Brittany Killgore went missing on Friday night .
Husband Cory returning home to help search for her .
Police quiz another marine in connection with her disappearance .
Search and Rescue crews scouring the area around Fallbrook .
By . Phil Vinter and Lydia Warren . PUBLISHED: . 04:24 EST, 17 April 2012 . | . UPDATED: . 14:07 EST, 17 April 2012 . The estranged husband of a woman who went missing on Friday is travelling home from Afghanistan, where he is on active duty as a Marine, to help look for his wife. The disappearance of Brittany Killgore, 22, from Fallbrook, California, comes just days after she filed for a divorce from her husband of two years, Cory Killgore, 22. Police believe another Marine, 45-year-old Louis Ray Perez, may have been the last person to see Killgore alive and said they suspect foul play after he was 'uncooperative' during their questioning. Scroll down for video . Missing: Brittany Killgore was last seen on Friday with a marine who was later arrested on an unrelated charge . Perez was arrested Sunday on an . unrelated charge of possession of an AR-15 assault rifle and is being . held in San Diego Central Jail. Killgore had told friends she was . going to . spend Friday evening in the Gaslamp Quarter in San Diego. Police do not . think she ever made it there, but her cell phone was recovered in the . area. San Diego County Sheriff's . Department search-and-rescue teams searched a canyon near Fallbrook in . the hope of finding the missing woman on Monday. Officers also searched her apartment. Sheriff's lieutenant Larry Nesbit said . Perez, who is based at Camp Pendleton, was questioned about Killgore's . disappearance. Estranged: Brittany Killgore filed for divorce from husband Cory, . who is also a marine, two weeks ago . Fears: Cory, right, is returning from Afghanistan after hearing about the disappearance of his wife, left . In an interview for KTLA 5 news Nesbit added: 'Based on the totality of the circumstances - the fact that she is in . normally in constant contact with her friends but she has not been heard from since Friday and the fact that . Mr Perez was less than forthcoming in his interview with us - we believe that . there there is a strong likelihood Brittany is the victim of foul play.' Ms Killgore was last seen wearing a dark purple evening gown, with purple floral glitter patterns. She is 5 ft 7 inches, 130 pounds with brown hair and brown eyes, according to the Sheriff’s department. It is believed she filed court documents for divorce earlier this month from her husband of two years. Mr Killgore is currently on duty in Afghanistan, but is on his way home because of his wife's disappearance. He is not suspected of being involved in the case. Serious: The Fallbrook scene where Louis Ray Perez is being questioned in connection with the disappearance . Christopher Oglesby, a friend who lives in the same apartment complex as . the Killgores, told ABC News they were 'a very loving couple'. He said: 'I could say they liked to hang out with one another, but his job made . it hard for him to sometimes be able to find the time.' Fellow family members are also reported to be flying to Fallbrook from other parts of the U.S. Investigators say they don’t know whether the marine in . custody and the marine in Afghanistan know each other and won’t reveal the exact nature of their relationship. Perez is being held on $500,000 bail and set to be arraigned on Wednesday. See below for video . video platformvideo managementvideo solutionsvideo player .
woman who went missing on Friday is travelling years, Cory Killgore, 22. Police believe another her cell phone was recovered in the . area. San Estranged: Brittany Killgore filed for divorce in connection with the disappearance . marine in . custody and the marine in Afghanistan