Shane Tamura was barely known in the city where he lived, working at night and navigating mental health crises. He drove 2,500 miles east to commit New York’s deadliest shooting in a quarter-century.

A prosecutor said the suspect lived with Jesus Ayala, one of the teens accused of killing a retired police chief in a 2023 ...

His defense attorney said the prosecution’s case has holes. A prosecutor said the suspect’s car contained the “literal ...