: The team eventually discovers that the killer is the reality show's producer, Tom Crawley . He had intended to kill Marine Staff Sergeant Michael McMannis by lacing his "chewing dip" with PCP to prevent him from marrying Taylor and taking her away from her lucrative modeling career. Tragically, Taylor used the laced dip herself, leading to her accidental death. Character Dynamics & Subplots
: The investigation leads to her ex-boyfriend, Noah Keller, who is found dead in a nearby motel. His death is staged to look like a suicide, but evidence shows he was incapacitated before being injected with a lethal dose of heroin. Model BehaviorNCIS : Season 3 Episode 11
: While her death initially appears to be a drug overdose or suicide due to high levels of PCP in her system, Ducky and Abby determine the dosage was far too high for accidental ingestion. : The team eventually discovers that the killer
: Ducky mentions that Noah Keller's left arm was broken, but the X-ray shown on screen is clearly of a right arm. Character Dynamics & Subplots : The investigation leads