India, Sept. 9 -- Newly released court documents offer a closer look at evidence prosecutors sought to introduce in the case of Karmelo Anthony, who was convicted last week of fatally stabbing Texas teenager Austin Metcalf at a high school track meet and sentenced to 35 years in prison.

A 75-page filing obtained by Fox News details alleged threats, weapons-related messages, assaults and other conduct prosecutors sought to use at trial. The filing includes photographs and videos that appear to show Anthony with firearms, as well as text messages attributed to him.

The filing is a record of prosecutors' allegations, not a judicial finding that all of the alleged incidents occurred. It also cautions that some screenshots show only portions...