Patrick De La Cerda, Jessica Devnani, and others Murdered by Gregory Bender and Deara Sanchez, Deltona, Florida, United States
This source-based behavioral analysis does not establish a clinical diagnosis, motive, or legal finding.
This case involves a tragic escalation of jealousy and obsession leading to a fatal outcome. The offender's behavior reflects intense emotional disturbance, stalking, and premeditated violence driven by possessiveness and rejection.
The relationship between Jessica Devnani and Gregory Bender was marked by long-term attachment, jealousy, and control attempts. After their breakup, Bender engaged in stalking and harassment, unable to accept the end of the relationship. Jessica's new engagement to Patrick De La Cerda intensified Bender's rage and led to violent actions.
The pathway to violence began with stalking and threatening behavior, followed by legal interventions such as restraining orders. Despite these, the offender escalated to detailed murder planning and execution, culminating in the homicide of the victim.
Each entry separates the reported behavior or state from the analytical strength of the available narration.
| Behavior / construct | Person / subject | Detailed case context | Evidence |
|---|---|---|---|
| Jealousy Emotional state | Gregory Bender Suspect, OffenderLover of victim |
Bender exhibited intense jealousy over Jessica's new relationship with Patrick, sending threatening messages and ultimately planning and committing murder. Context or trigger: Breakup with Jessica and her new engagement Reported expression: Threatening messages, stalking, and planning murder |
Explicitly reported Confidence: High |
| Premeditation and planning Planning or impulsivity | Gregory Bender Suspect, OffenderLover of victim |
Bender meticulously planned the murder, including maps, to-do lists, and strategies to avoid detection, demonstrating calculated intent. Context or trigger: Months leading to the murder Reported expression: Detailed murder plan notebook, scouting, and evidence removal attempts |
Explicitly reported Confidence: High |
| Coercive control Control dynamics | Gregory Bender Suspect, OffenderLover of victim |
Bender exerted control through intimidation and persistent harassment, attempting to dominate Jessica's choices and relationships. Context or trigger: During relationship and post-breakup Reported expression: Harassment, stalking, and attempts to intimidate Jessica and Patrick |
Explicitly reported Confidence: High |
| Emotional escalation Escalation | Gregory Bender Suspect, OffenderLover of victim |
Bender's emotional state escalated from jealousy to rage, culminating in violent action against Patrick. Context or trigger: After breakup and new relationship Reported expression: Increasing threats, stalking, and eventual murder |
Explicitly reported Confidence: High |
| Family opposition or interference Family dynamics | Jessica Devnani and Patrick De La Cerda |
Jessica and Patrick sought legal protection due to Bender's harassment, involving family members in monitoring and safety measures. Context or trigger: Relationship with Gregory Bender Reported expression: Restraining orders and family involvement in protection |
Explicitly reported Confidence: High |
| Detection avoidance or evasion Post-offense behavior | Gregory Bender Suspect, OffenderLover of victim |
Bender attempted to evade detection by using burner phones, stealing electronic evidence, and disabling security cameras. Context or trigger: During murder planning and execution Reported expression: Use of burner phone, removal of security footage hard drive, and theft of laptop |
Explicitly reported Confidence: High |
Select a stage to expand it; scroll horizontally to follow the full sequence.
Jessica and Gregory had a long-term relationship starting in 2009, which ended amid jealousy and infidelity revelations.
Jessica began dating Patrick in June 2017, triggering Bender's jealousy and harassment.
Jessica and Patrick obtained a restraining order against Bender in December 2017 due to stalking and threats.
Bender created detailed plans, including maps and to-do lists, to murder Patrick, which were found by police.
On February 27, 2018, Bender used a burner phone to pose as a delivery person, gained proximity, and shot Patrick multiple times.
Bender stole the hard drive and laptop to remove evidence but left some shell casings behind.
Bender was arrested within 48 hours, tried in 2021, found guilty, and sentenced to life without parole.
Arrows show the sequence described in the source narrative; they do not prove that one psychological state caused the next event.
The analysis is limited by reliance on reported facts from media and police sources without clinical evaluations. Some psychological inferences are based on narrative descriptions rather than direct assessments.