D'Angelo's sadism was primarily psychological, focusing on inducing fear rather than solely physical torture. This is exemplified by his chilling phone calls to victims years after attacks, designed to reignite their terror and assert his continued presence.

Impact: High. These post-attack communications underscore the profound and lasting psychological damage inflicted by D'Angelo, revealing a predator who sought to control his victims' lives long after the physical encounters ended.

In the source video, this keypoint occurs from 01:50:23 to 01:53:24.

Sources in support: Megyn Kelly (Host)