In a new ad released Tuesday, Judy Shepard denounces Donald Trump.

Shepard's son Matthew was brutally murdered in 1998 by two men he met in a gay bar. She spent the better part of a decade lobbying for passage of the Matthew Shepard and James Byrd, Jr. Hate Crimes Prevention Act.

In the 1-minute video, titled Hate, Shepard is seated in a kitchen.

“I've seen what can happen as the result of hate,” Shepard says.

“In the aftermath of Matt's death my family saw the best of America in the love and support we were shown.”

“So, when I see the hate that Donald Trump brings to his campaign for president, it terrifies me. Words have an influence. Violence causes pain. Hate can rip us apart. I know what can happen as the result of hate, and Donald Trump should never be our president,” she adds.