Husband called police and said he shot his wife

<p>Petaluma contractor Ken Mullennix called 911 at 10 p.m. Saturday and told a police dispatcher he'd shot his wife.</p><!-- Nothing to do. The paragraph has already been output --><p>Officers rushed to the McNeil Avenue home in east Petaluma and found Buapha Mullennix, 36, dead of a single gunshot wound, Lt. Mike Cook said Monday.</p><p>Their two teen daughters were home when their mother was killed, police said. Ken Mullennix, 49, was arrested and the girls were taken into protective custody.</p><p>It is the first homicide in Petaluma in almost three years.</p><p>Petaluma detectives Monday were piecing together what led to the shooting.</p><p>There was no history of domestic violence between the couple and no prior police calls to the two-story home on the eastside street, Cook said.</p><p>There was no sign of a struggle in the home. Officers and detectives were left with little initial information on what led to the violence.</p><p>A toxicology test was conducted on Ken Mullennix to determine if he was under the influence of drugs or alcohol at the time. Results are pending.</p><p>Officers found the weapon they believed used in the shooting.</p><p>Neighbors, who said the family has lived there for several years, described the family as seemingly happy, friendly and typical — two dogs, kids in school.</p><p>Ken Mullennix has a general building contractor's license and operated under the business name K M Construction from his home, according to license records.</p><p>Mullennix was taken without incident to the city police station for questioning and then booked into Sonoma County Jail without bail. He is scheduled to appear Tuesday in Sonoma County Superior Court to be arraigned on a homicide charge.</p><p>Buapha Mullennix was a waitress at Teriyaki House, a Petaluma restaurant, according to the husband of a co-worker. An autopsy was conducted Monday morning.</p>