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Case Description

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Summary based on 11 sources
Lamonica Dawn Monique Webb, known to her loved ones as “Monie,” was an Austin, Texas native, born in the city at Brackenridge Hospital on September 8, 1994. A 32-year-old woman, she grew up in Austin and attended Stoney Point High School. Her life was cut short in a violent encounter that also claimed the life of her partner, 37-year-old Anecia Kay Thacker.

In the early morning hours of September 21, 2026, events unfolded inside an apartment in the 3400 block of Shoreline Drive in the Wells Branch area of Austin. Two days later, on September 23, the manager of the Parkside Crossing Apartments went to the unit to serve a writ. He found the door ajar and, after announcing himself with no response, pushed it open to find a body just inside the entryway. He immediately called 911. When Travis County Sheriff's Office deputies arrived, they discovered both Lamonica Webb and Anecia Thacker deceased inside. One woman was near the entryway, and the other was in the dining area. Both had suffered fatal gunshot wounds, and handguns were found near each of them.

Initially, investigators considered the possibility of a murder-suicide, a theory they shared at a press conference. However, as crime scene specialists processed the apartment, they uncovered evidence that contradicted this initial assessment. After comparing autopsy and ballistic results with the evidence from the scene, detectives definitively reclassified the case as a double homicide on September 24.

The investigation quickly led detectives to a person of interest: Michael Robinson Jr., a 24-year-old from Vicksburg, Mississippi. According to an arrest affidavit, investigators learned from one of Thacker’s friends that the two women were in a relationship and sometimes arranged paid sexual encounters through an app. The friend noted that one of Thacker’s last messages mentioned a plan to "make a play on the app." Detectives traced an online ad to a phone number and found messages exchanged with a number linked to Robinson, including one sent at 12:45 a.m. on September 21 that read, "I'm here." Cellphone records placed Robinson's phone near the apartment complex around that time, and license plate readers had captured a vehicle registered to his grandmother in the area.

After identifying Robinson’s vehicle and residence, deputies with the Travis County Sheriff’s Office located him and conducted a traffic stop. He voluntarily agreed to give a statement to detectives. Robinson, a former college football player for Mississippi State and Jackson State, admitted he had gone to the apartment after responding to the online ad and paid $120 for a sexual encounter. He claimed that an altercation ensued, alleging that Thacker first pointed a gun at him. He said a struggle followed, and he disarmed her before grabbing his own handgun from a bag. Robinson told investigators that Webb then appeared with another handgun and that Thacker threatened to have Webb shoot him if he didn't return her firearm. He claimed he placed Thacker’s gun on a counter, but she picked it up and pointed it at him again, at which point he fired multiple shots—he estimated eight—and fled. He said he didn't call 911 because his phone had been stolen.

On September 25, 2026, just four days after the shooting, Michael Robinson Jr. was arrested and charged with capital murder. Sheriff Sally Hernandez praised the collaborative work of her department, stating, “This case is the perfect example of a team of professionals working together to do excellent police work. Our crime scene specialists carefully processed the evidence, and detectives quickly connected it to a suspect.”

As of late September 2026, Robinson was being held at the Travis County jail. His attorney noted that Robinson had no prior criminal record and that he looked forward to more facts emerging as the investigation continued. The case is now proceeding through the court system. The Travis County Sheriff’s Office has asked anyone with additional information about the incident to call their tip line at 512-854-1444.