Police tell KIRO they dispatched two officers to the apartment because they knew Lyles, who had a criminal history, and were concerned for the officers' safety.
Two officers were sent to the scene instead of one because it "presented an increased risk to officers".
Jamieson said Lyles was in recent contact with police and subsequently had "hazard" information on file when she called in the burglary. "She has mental health issues". They asked her about the video game console she was reporting stolen.
The officers involved in the shooting have not yet been identified, but were placed on paid leave, per agency policy. "When we explained to her family the behavior and statements Lyles made to us, they were surprised and informed us she has not had any behavior similar to this in the past".
According to family members, Lyles has had mental health issues, was several months pregnant and was anxious that authorities would take her three kids, one of whom has Down syndrome. There's no way you could've taken a taser and taken her down? "There's no way you could've taken a baton and knocked the knife out of her hand?" A police audio recording of officers shouting "get back!" and the woman saying "do it! do it!" are among the few clues about what went wrong before she was shot and killed on Sunday. They also questioned why other non-lethal methods weren't used to de-escalate the situation. She also said her sister was pregnant.More news: Still in Critical Condition After London Fire
As two officers responded to the woman's fourth-floor apartment at the Brettler Family Place Apartments at Magnuson Park in northeast Seattle, police say Lyles confronted the officers while wielding a knife.
The officers talk about the woman previously brandishing large metal shears during an encounter with police, trying to prevent officers from leaving her apartment, and making "weird statements" about her and her daughter turning into wolves.
On Sunday morning in a Sand Point, Seattle apartment complex, #charleena #Lyles phoned the police to respond to a suspected break-in.
The video from the apartment hallway has no audio, but shows the officers entering the apartment. "Get back! Get back!" before an eruption of gunfire.
Relatives told The Seattle Times that woman was several months pregnant and had struggled with mental-health issues for the past year.More news: Pregnant woman killed by police after reporting burglary; family demands answers
Police reportedly offered aid immediately after the shooting, but Seattle Fire Department medics declared Lyles dead upon arrival.
In an early part of the tape, officers are heard discussing previous calls to Lyles' apartment, including one for domestic violence which involved Lyles holding a scissors. "That's why the mental breakdown started coming into play", her sister, Monika Williams, said while speaking at a gathering for Lyles on Sunday.
It is unclear at this time if the three children present witnessed the shooting, but they are unharmed and being cared for by other family members.
"Our historic police reforms, from de-escalation training to civilian-monitored force review, are in place to address such crises".
The department's Force Investigative Team is investigating the officers' decision to use deadly force.More news: Carrie Fisher autopsy reveals cocaine, ecstasy
"It will remain to be seen what will happen in this instance after the investigation is completed", O'Toole said.
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