Shirley Best and Virgil Best Murdered by Marisol Best, Hillsborough County, Florida, United States
This source-based behavioral analysis does not establish a clinical diagnosis, motive, or legal finding.
This case involves a complex family homicide driven by deep-seated resentment and perceived lack of support within a close-knit family. The offender, Marisol Best, exhibited emotional suppression and sudden violent outburst culminating in the murder of her husband's parents. The psychological dynamics reveal a pattern of family opposition, emotional escalation, and maladaptive coping.
Marisol's relationship with her husband's parents was marked by longstanding hostility and resentment, fueled by their disapproval and disappointment towards her husband Robert's criminal history. The couple's attempts to become more religious contrasted with their involvement in criminal activities, adding complexity to the family tensions. Marisol's feelings of isolation and lack of loyalty from the family contributed to her emotional breakdown and violent actions.
The pathway to homicide involved escalating negative interactions during a planned prayer session, retrieval of a firearm, and a sudden violent act described as 'snapping.' Attempts to conceal the crime scene indicate awareness and premeditation. The offender's emotional state deteriorated under family pressure and perceived betrayal, leading to the fatal incident.
Each entry separates the reported behavior or state from the analytical strength of the available narration.
| Behavior / construct | Person / subject | Detailed case context | Evidence |
|---|---|---|---|
| Family opposition or interference Family dynamics | Marisol Best OffenderWife of the victim |
Marisol harbored deep resentment towards Shirley and Virgil Best, who were disappointed in Robert's criminal past and unsupportive during his legal troubles. This family opposition was a central factor leading to the violent incident. Context or trigger: Longstanding resentment towards husband's parents due to their disapproval Reported expression: Expressed anger and frustration during confrontation; motivation for homicide |
Explicitly reported Confidence: High |
| Emotional escalation Escalation | Marisol Best OffenderWife of the victim |
Marisol described becoming extremely frustrated and snapping during the session, leading to the decision to retrieve a gun and shoot the victims. This escalation was rapid and intense. Context or trigger: Negative interactions during prayer session Reported expression: Sudden snapping and violent outburst |
Explicitly reported Confidence: High |
| Maladaptive coping Coping response | Marisol Best OffenderWife of the victim |
Instead of seeking help or resolving conflict, Marisol resorted to lethal violence and attempted to disguise the crime as a burglary, indicating maladaptive coping mechanisms. Context or trigger: Handling family conflict and personal stress Reported expression: Violent murder and attempted scene staging |
Explicitly reported Confidence: High |
| Coercive control Control dynamics | Marisol Best OffenderWife of the victim |
Marisol's actions demonstrate a pattern of domination and control, culminating in the murder of her husband's parents who she perceived as obstacles or threats. Context or trigger: Resentment towards family and husband's situation Reported expression: Dominating and violent behavior towards victims |
Analytical inference Confidence: Moderate |
| Dependency or attachment insecurity Attachment-related behavior | Marisol Best OffenderWife of the victim |
Marisol expressed fear of losing Robert and concern about how he would react to her actions, indicating attachment insecurity and emotional dependency. Context or trigger: Relationship with Robert and family dynamics Reported expression: Fear of losing husband and family support |
Narrative-supported psychological state Confidence: High |
| Rumination or fixation Cognitive pattern | Marisol Best OffenderWife of the victim |
Marisol repeatedly referenced the victims' disappointment and lack of support as reasons for her actions, showing fixation on perceived grievances. Context or trigger: Ongoing resentment and anger Reported expression: Persistent focus on victims' disapproval |
Narrative-supported psychological state Confidence: High |
| Grief and bereavement Emotional state | Robert Best HusbandHusband of the offender |
Robert experienced profound grief upon discovering his parents murdered, expressing panic and sorrow during the 911 call and interrogation. Context or trigger: Discovery of parents' bodies Reported expression: Shock, panic, and emotional distress |
Explicitly reported Confidence: High |
| Marital dissatisfaction Relationship stressor | Marisol Best and Robert Best |
The couple faced significant stress from Robert's criminal charges and family disapproval, with Marisol admitting to holding in emotions and Robert expressing frustration. Context or trigger: Struggles with legal issues and family disapproval Reported expression: Emotional strain and lack of open communication |
Explicitly reported Confidence: High |
Select a stage to expand it; scroll horizontally to follow the full sequence.
Marisol experienced ongoing resentment due to the victims' disapproval of her husband and their lack of support during his legal troubles.
During the prayer session, Marisol's frustration intensified, leading to a sudden emotional breakdown.
Marisol left the house to retrieve a handgun from her truck, indicating preparation for the violent act.
Marisol shot both victims while they were praying, demonstrating deliberate lethal aggression.
After the murders, Marisol opened drawers and cabinets to simulate a burglary, attempting to mislead investigators.
Robert discovered the bodies and immediately called 911, reporting the incident to authorities.
Marisol initially claimed to have blacked out but soon confessed to the murders during police interrogation.
Arrows show the sequence described in the source narrative; they do not prove that one psychological state caused the next event.
The psychological analysis is limited by reliance on Marisol's confession and interrogation transcripts without clinical evaluations. The exact triggers and mental health status remain partially unclear. Robert's perspective and emotional state are less documented, and no professional diagnoses were reported.