Perhaps your research skills are lacking...
Cameron said evidence shows the "officers both knocked and announced their presence. It was also corroborated by a witness in an apartment near Taylor's." Therefore, Cameron said, the warrant was not served as a "no-knock" warrant.
"When officers were unable to get anyone to answer the door at apartment #4, the decision was made to breach the door," Cameron said.
Cameron said they pieced together their investigation from ballistics, 911 calls, officer statements and eyewitnesses.