Son Kills Dad with Crossbow at Toronto Public Library Branch

Link to December 3 Toronto Star article.

Excerpt:  Si Cheng, 52, of Toronto, was shot inside an east-end library and pronounced dead at the scene, police said. The Main St. library, located just south of Gerrard St. E., was bustling with children and their parents when Cheng was shot around 4 p.m.

Zhou Fang, 24, of Ottawa, was arrested shortly after the attack and has been charged with first-degree murder. Cheng is also referred to in court documents as Si William Cheng.

Reached on Friday afternoon, Const. Tony Vella confirmed that the victim and suspect are father and son.