"It was apparent to investigators upon arrival that the bodies were deceased," Stark
said, adding that autopsy results would determine the cause and manner of death.
said authorities were interviewing witnesses Friday.
When asked whether a weapon was found at the scene, she
said that was part of the investigation.
"The biggest thing at this point is it is a human tragedy," she
"We're not going to try to characterize anything we can't prove at this point in time.
It was not clear whether other children were home at the time of the killings.  A handgun and spent ammunition were found inside the house on the 7000 block of 13th Street.
said that "the crime appears to have been entirely contained inside the residence" and that police weren't looking for additional suspects "at this time.
It was Oakdale's
first homicide since 2007, when 17-year-old Nicole Beecroft stabbed her
newborn baby to death.
is serving life in prison.
Oakdale police are calling the incident a double murder-suicide.
They are not looking for a suspect.
"The biggest thing at this point is it is a human tragedy," spokeswoman Michelle Stark said Friday.
said police and the BCA
are investigating the deaths as a double murder/suicide and identified the victims as 28-year-old Cintia Guadalupe Ornelas Bustos, 32-year-old Jamie Anival Almaras Velasquez, and 43-year-old Angela Uscanga Gonzalez. Police identify the victims as 32-year-old Jaime Velasquez and 28-year-old Cintia Guadalupe Ornelas Bustos, who shared three children, and a home care-giver, 43-year-old Angela Uscanga.Gonzalez.
"A family member did discover the bodies inside the home, and the scene appeared to reflect that there were injuries," Oakdale police Officer Michelle Stark said. Oakdale police Officer Michelle Stark said the man's death was ruled a suicide.
said police are investigating whether one of the victims' children was present when the deaths occurred, since he
may be a witness.
Asked her reaction to the deaths, Stark
said, "It's a tragedy. Hartman said the victims' 3-year-old was in the home when the deaths occurred; there is also an older sibling in third grade.
Bustos and Velasquez had three children together but the legal status of their relationship hasn't been confirmed, Stark
The youngest boy reportedly was inside the house when the shootings occurred, while the older boy was outside when his sister discovered the bodies. Oakdale Community Affairs Officer Michelle Stark said the bodies of two women and a man were discovered in the home just after 4 p.m.
would not confirm reports that the young girl discovered the bodies.