Athletes are calling out Alex Pretti's murder.

America is watching.

NBA All-star Tyrese Haliburton was one of the first athletes to speak out against the murder of Alex Pretti.

There are moments when the noise drops out, when the country stops pretending something is complicated and admits what it just watched. The killing of Alex Pretti did that. A U.S. citizen. An ICU nurse. A man whose job was to keep other people ali…