Identifying Obsessive-Compulsive Disorder

Maria has been experiencing persistent thoughts about harming others, despite having no desire or intent to do so. Her distress from these intrusive thoughts leads her to engage in repetitive safety behaviors, such as checking and rechecking that she has locked her doors multiple times before leaving her home. This scenario exemplifies a type of anxiety disorder where intrusive thoughts provoke compulsive actions to alleviate anxiety.

Given this information, which type of disorder is best represented in Maria's case?