Transcript for Coast Guardsman Allegedly Killed 2, Ambushed Cops
right now to that rampage on cape cod where a member of the coast guard shot two fellow service members killing one of the women and then ambushed police in a wild shootout. ABC's Paula Faris here with that. Reporter: Hello, George, the coast guard is in shock trying to figure out why three of its active duty members were involved in a deadly shooting. One that authorities claim was a calculated and cold-blooded execution. The coast guard known for its heroic rescues at sea. But this morning, authorities say this coast guard member isn't a hero. He is a killer accused of attacking two women also active duty members of the coast guard before taking aim at police. Need a rescue to 11 round house road for a possible gunshot wound. Reporter: Police say 31-year-old Adrian Loya drove from his coast guard base in Virginia to Bourne, Massachusetts, and stayed at this hotel for several days before allegedly shooting the two women early Thursday morning. It was a very crazy and hectic scene. You certainly don't see that every day. Once in a career type thing. Reporter: According to police Loya an I.T. Specialist then set up an elaborate ambush on the cops setting his car on fire and planting what appeared to be bombs just outside the scene of the crime. They say he then lie in wait opening fire once emergency responders arrived. One officer was shot but thankfully survived. Heavily armed with three rifles and a handgun Loya finally surrendered. The suspect did give up and we took him into custody. Reporter: Police discovering his two alleged victims, one of those women dead from a gunshot wound. The other wounded but alive was airlifted to a nearby hospital. Loya's attorney not elaborating on the nature of his relationship with those women, only saying they knew one another prior to the incident. It was some type of relationship and other than recognizing that or acknowledging that, I wouldn't want to go any further than that. Reporter: Loya now charged with eight counts including murder and a community asking why this happened. Now, court docs have been sealed but police believe he may have attacked those women because of a previous disagreement. As for the women's identities neither has been released and the surviving female in the hospital listed in stable condition but everyone wondering what the motive is. Strange one. Thanks very much. To Amy.
This transcript has been automatically generated and may not be 100% accurate.