Brief DBT Skills Training for Coping With Suicidal Ideation

The goal of this clinical trial is to learn if Brief Dialectical Behavior Therapy Skills Training (DBT-BST) can prevent suicidality in adults. The main questions it aims to answer are: * Does DBT-BST provide coping strategies (e.g., emotion regulation) to participants with suicidal ideation? * Does DBT-BST lower participants' suicide ideation? Researchers will compare DBT-BST to relaxation to see if DBT-BST works to reduce suicidal ideation. Participants will: * Receive DBT-BST in a single 60-minute, in-person, individual session. * Be asked to use these skills as self-help and for crisis prevention.