Luis Fernando Cabrera's detention did not begin on May 1. It was made possible by a 287(g) agreement DPS signed with ICE the previous year. These entries trace the policy machinery and the individual case on a single timeline.
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DPS signs 287(g) agreements with ICE
The Texas Department of Public Safety signed 287(g) agreements with ICE, authorizing certified state troopers to perform functions typically reserved for federal immigration agents. The trooper who later stopped Cabrera held that certification.
May 1, 2026
Trooper stops Cabrera for expired tags; ICE takes custody
Luis Fernando Cabrera, 18, was driving home around 2 a.m. when a Texas state trooper pulled him over for expired tags, determined he was 'not lawfully present,' and transferred him to ICE under the 287(g) agreement. Cabrera, who immigrated at age 11 and had an asylum case pending, was sent to Karnes County Immigration Processing Center south of San Antonio.
May 11, 2026
Lawmakers and advocates rally for Cabrera's release
Local elected officials and immigration advocates gathered publicly to call for Cabrera's release from Karnes County, drawing attention to his pending graduation and unresolved asylum case.
May 14, 2026
Federal judge halts key sections of SB 4 one day before activation
A U.S. district judge granted a preliminary injunction blocking the sections of Senate Bill 4 that would have allowed state judges to order deportations and required removal to Mexico — but a provision permitting police to arrest people suspected of illegal entry did activate as scheduled.
May 15, 2026
KVUE confirms injunction details; arrest authority now in effect statewide
KVUE reported the same federal injunction, confirming that the judge's order left intact the arrest authority while blocking the deportation-order provisions. How individual departments use that authority will vary by jurisdiction.
May 19, 2026
Congressman Casar visits Karnes; Cabrera takes finals from detention
U.S. Rep. Greg Casar met with Cabrera and other detainees inside Karnes County Immigration Processing Center. Cabrera, weeks from his scheduled graduation, was completing final exams from inside the facility; an Austin elementary school teacher was also reported to have been detained there for nearly a year.