Obsessed Texas man shoots his teen ex-girlfriend and her father at their home investigators say

The accused gunman was found near Waco after authorities say he fled a shooting that killed his former girlfriend’s father.

BAYTOWN, Texas — Investigators searching for the man accused of killing his former girlfriend’s father and seriously wounding her near Baytown used information from automated license plate readers to extend their search about 200 miles northwest, where authorities arrested Guillermo Mondragon Rosales in the Waco area hours after the shooting.

The rapid move from an east Harris County crime scene to an arrest in Central Texas became one of the defining features of the Sept. 28 investigation. Harris County Sheriff Ed Gonzalez said his agency worked with the Texas Department of Public Safety and the Gulf Coast Violent Offenders Task Force after investigators identified Rosales, 22, as the suspected shooter. Rosales was initially jailed in McLennan County before being transferred back to Harris County. A sheriff’s jail record current Nov. 10 shows that he was booked there Oct. 8 and is being held without bond on a murder charge and an aggravated assault-family member charge. Both cases have a Dec. 1 court date listed.

The search began with a much more immediate problem. Deputies were called shortly before 6 a.m. to the 5400 block of North Redell Road, where they found 53-year-old Leonel Pavon and his 19-year-old daughter, Enelsi Pavon, suffering from gunshot wounds. Leonel Pavon was pronounced dead at the residence. Enelsi Pavon was taken by Life Flight to a hospital in critical condition. At that point, authorities had a homicide scene, a badly injured second victim and a suspect who was no longer at the property. Homicide detectives and crime scene investigators began working at the residence while other officers focused on identifying and finding the person believed responsible.

The first public reports did not include a suspect description. Investigators interviewed a relative who had been asleep at the residence and said they did not believe that person was connected to the gunfire. Meanwhile, information from the family and neighborhood began narrowing the focus. Relatives identified Enelsi Pavon’s former boyfriend as someone they believed investigators should examine, and witnesses reported seeing a vehicle associated with him in the area. A neighbor’s surveillance system captured the sound of several gunshots around the time authorities say the attack occurred. Another account described a vehicle leaving quickly afterward. Those pieces were part of the developing investigation rather than final findings presented in court.

Authorities eventually identified the former boyfriend as Rosales and said he had fled the area. Gonzalez later disclosed that automated license plate readers helped investigators develop information on his whereabouts. Such systems record vehicle plate information when vehicles pass cameras connected to the network, allowing investigators to search for or receive alerts concerning a vehicle of interest. The sheriff’s office has not released the complete sequence of detections in this case, including where the vehicle was first spotted after leaving Harris County or how many reader hits were involved. What officials did say is that the information contributed to locating Rosales in the Waco area later that day.

The arrest required coordination outside the county where the shooting occurred. Gonzalez credited the Texas Department of Public Safety and the Gulf Coast Violent Offenders Task Force with assisting Harris County investigators. Rosales was taken into custody without authorities announcing another violent confrontation during the arrest. He was placed in the McLennan County Jail while the case in Harris County developed. The speed of the capture meant investigators no longer had an outstanding suspect by the end of the day, but the legal picture was still incomplete because Leonel Pavon’s death and Enelsi Pavon’s injuries required separate charging decisions.

Rosales initially faced an aggravated assault charge in connection with the shooting of Enelsi Pavon. By the following day, the sheriff announced a murder charge tied to Leonel Pavon’s death. Early reports described the assault allegation as aggravated assault with a deadly weapon. The current Harris County custody record uses the classification aggravated assault-family member. That distinction in wording reflects how the jail database currently lists the pending case and should not be read as a final determination of what prosecutors will prove. Criminal charges are allegations, and Rosales has not been convicted of the Sept. 28 offenses.

Only after the arrest did authorities publicly connect the shooting to the broken relationship between Rosales and Enelsi Pavon. Gonzalez said investigators were examining the case as intimate partner violence and that Rosales’ apparent motive was anger over the end of the dating relationship. Family members said the breakup had occurred about two months before the shooting. They told local media that Rosales had previously lived with Enelsi Pavon and her family for roughly a year, meaning he was familiar with the household where investigators say the attack later took place.

Enelsi Pavon’s mother, Luz Marina Aviles, gave a more personal account of the former relationship. She told local reporters that Rosales had become fixated on her daughter and alleged that he had a history of domestic violence. Aviles also said she believed Rosales thought he would not be able to find another girlfriend. Authorities have not released enough public evidence to independently establish every claim about the relationship, and family statements about earlier conduct remain allegations unless supported by records or testimony. The sheriff’s office has, however, independently said that the breakup appears to have been the motive for the Sept. 28 violence.

The morning’s timing also gave investigators a narrow window to reconstruct. Aviles told FOX 26 that her husband had taken her to work at about 5 a.m. A little later, neighbors heard the gunfire. Deputies arrived before 6 a.m., found Leonel Pavon dead and arranged emergency air transport for his daughter. The suspect had already left. Investigators have not publicly released a detailed account of how the shooter approached the residence, how long he was there, what interaction occurred immediately before the shooting or precisely when he began driving away from Harris County. Those questions could become important if prosecutors present evidence about planning, intent and movement before and after the attack.

The arrest near Waco also marked the beginning of a second journey for Rosales: his return to the jurisdiction where the charges were filed. For several days after the shooting, officials said he was being held in McLennan County awaiting transfer. Harris County records now show an Oct. 8 booking date, confirming that the transfer occurred. His custody status has also changed from the early reports that simply described him as detained. The current jail database expressly states that bond is denied on both listed cases, making his detention part of the continuing court process rather than only a temporary hold associated with the out-of-county arrest.

The victims’ situations moved on a different timetable. Leonel Pavon’s death was confirmed at the scene and became the basis for the murder accusation. Enelsi Pavon survived long enough to be transported for emergency treatment and was initially described as critical. Gonzalez said Sept. 29 that she remained hospitalized in serious condition. No later reliable public medical update was located for this report, so her present health, rehabilitation needs and long-term prognosis should not be assumed. The uncertainty surrounding her recovery remained part of the family’s ordeal even after investigators announced that the suspect had been captured.

Gonzalez used the case to emphasize that violence tied to an intimate relationship can spread beyond the two people who dated. Here, the person killed was the former girlfriend’s father. The sheriff described the loss of Leonel Pavon and the injuries to his daughter as an example of how such violence can affect an entire family. That assessment is an official characterization of the investigation, not a finding of guilt. Prosecutors still bear the burden of proving Rosales committed the charged acts and establishing the required elements of each offense.

Much of the investigation remains outside public view. Authorities have not disclosed whether a firearm was recovered, what physical evidence links Rosales to the scene, whether investigators obtained relevant phone or location records, or whether he gave detectives a statement after being taken into custody. They also have not released the full data trail produced by the license plate reader network. Those details may emerge through court filings or later proceedings, but they cannot be supplied from the available public record without speculation.

For now, the same technology-assisted search that moved investigators from Baytown toward Waco has given way to a conventional criminal prosecution in Harris County. The sheriff’s online custody record lists Rosales in custody without bond and places both pending cases in the 177th District Court, with Dec. 1 shown as the next court date. The case remains unresolved, and Enelsi Pavon’s most recent publicly confirmed condition dates to the day after the shooting. The arrest ended the regional manhunt; it did not settle the allegations that will now have to be tested in court.

Author note: Last updated Nov. 10, 2026.