Law & Order: LA (2010)

S01E21 Van Nuys

What begins as a festive birthday celebration quickly devolves into a nightmare when unexpected intruders brutally attack the attendees. As detectives sift through the evidence, they suspect a connection to the drug trade. However, the revelation that one guest managed to flee unveils a startling truth about the killings. Simultaneously, Deputy District Attorneys Morales and Price enlist the assistance of their colleague DDA Dekker to build a case against the perpetrator.