4 suspects arrested, kilogram of fentanyl seized in series of traffic stops, BCSO says The sheriff’s office said one suspect is a confirmed gang member
Left to right: Christopher Rivera, Allyson Alvarez, Alan Segura and Erik Gonzalez. (Bexar County jail) (Copyright 2025 by BCSO - All rights reserved.)
BEXAR COUNTY, Texas – The Bexar County Sheriff’s Office said deputies arrested four suspects and seized a kilogram of fentanyl in a series of traffic stops.
According to a Facebook post , BCSO’s Gang Unit was executing “proactive patrols” when the fentanyl was seized.
The sheriff’s office said that, among the four suspects arrested, one is a confirmed gang member.
The following suspects face several narcotics-related charges, the post said:
Christopher Anthony Rivera, 32, arrested on a warrant for possession of a controlled substance PG 1/1-B <1g
Alan Segura, 20, was charged with possession of a controlled substance PG 2 > 1g-4g
Allyson Janelle Alvarez, 21, was charged with possession of a controlled substance PG 2 > 1g-4g
Erik Adrian Gonzalez, 34, was charged with possession of a controlled substance PG 1-B>400g and possession of a controlled substance PG 1 > 1g-4g
More crime coverage on KSAT
Copyright 2025 by KSAT - All rights reserved.
About the Authors Spencer Heath headshot
Spencer Heath is a Digital Journalist at KSAT. Spencer graduated from the University of Texas at Austin, where he studied Radio-Television-Film. He’s worked as a journalist in San Antonio since June of 2022.
Outside the newsroom, he enjoys watching movies and spending time with family.
Rocky Garza headshot
Rocky Garza Jr. is a Content Gatherer at KSAT-12 News.
Here’s what the KSAT newsroom listened to in 2025 ▶ 0:56
Here’s what the KSAT newsroom listened to in 2025
‘I wouldn’t have left you’: Good Samaritan left critically injured after Universal City hit-and-run ▶ 0:32
‘I wouldn’t have left you’: Good Samaritan left critically injured after Universal City hit-and-run
Amazon’s Prime Air drone deliveries are in full swing across San Antonio ▶ 1:26
Amazon’s Prime Air drone deliveries are in full swing across San Antonio
The Running Event kicks off downtown ahead of inaugural San Antonio Marathon_Trim ▶ 1:03
The Running Event kicks off downtown ahead of inaugural San Antonio Marathon_Trim
Castle Hills nursing home resident spreads warmth with handmade hats for San Antonio’s community ▶ 1:52
Castle Hills nursing home resident spreads warmth with handmade hats for San Antonio’s community
San Antonio could test drive lower speed limits, but funding issues may push it down the road ▶ 0:57
San Antonio could test drive lower speed limits, but funding issues may push it down the road
Body cam captures LOPD officer making false claims about business owner months before owner’s arrest ▶ 1:03
Body cam captures LOPD officer making false claims about business owner months before owner’s arrest
Road closures to be aware of during the San Antonio Marathon ▶ 1:55
Road closures to be aware of during the San Antonio Marathon
Mother of Texas A&M student demands answers after daughter’s fatal fall from high-rise in Austin ▶ 2:07
Mother of Texas A&M student demands answers after daughter’s fatal fall from high-rise in Austin
Do police have to wait 24 hours to declare an adult missing? ▶ 2:20
Do police have to wait 24 hours to declare an adult missing?
Harlandale ISD teacher arrested, accused of sexual assault of child, SAPD says ▶ 1:05
Harlandale ISD teacher arrested, accused of sexual assault of child, SAPD says
Mother questions circumstances surrounding death of daughter, a Texas A&M student, in Austin ▶ 1:03
Mother questions circumstances surrounding death of daughter, a Texas A&M student, in Austin
Ousted Alamo Trust president questions timing of resignation request ▶ 1:13
Ousted Alamo Trust president questions timing of resignation request
Prepare to pay a $45 fee to fly if you don't have a Real ID ▶ 0:35
Prepare to pay a $45 fee to fly if you don't have a Real ID
Some UTSA students forced to move dorm rooms as school complies with state’s ‘bathroom bill’ ▶ 1:08
Some UTSA students forced to move dorm rooms as school complies with state’s ‘bathroom bill’
How to share your San Antonio Marathon pics & videos to KSAT Connect ▶ 0:29
How to share your San Antonio Marathon pics & videos to KSAT Connect
How Black Friday can make the economy seem healthier than it is ▶ 1:18
How Black Friday can make the economy seem healthier than it is
Interactive map shows car burglaries at popular San Antonio shopping centers ▶ 0:32
Interactive map shows car burglaries at popular San Antonio shopping centers
Experience San Antonio’s newest drive-thru Christmas light display “The Light Park” at Wolff Stadium ▶ 1:04
Experience San Antonio’s newest drive-thru Christmas light display “The Light Park” at Wolff Stadium
1-on-1 with Colin Allred, candidate for US Senate ▶ 0:41
1-on-1 with Colin Allred, candidate for US Senate
James Talarico shares his favorite things about Texas ▶ 1:48
James Talarico shares his favorite things about Texas
David Elder tries entrees, drinks and desserts at Salsita at the Rim ▶ 1:29
David Elder tries entrees, drinks and desserts at Salsita at the Rim
David Elder tries the Tres Leches Strawberry Matcha Latte from La Panaderia ▶ 0:54
David Elder tries the Tres Leches Strawberry Matcha Latte from La Panaderia
David Elder tries Snow Island in San Antonio ▶ 2:51
David Elder tries Snow Island in San Antonio
Surf & Turf at Sea Island Shrimp House ▶ 0:39
Surf & Turf at Sea Island Shrimp House
Previous photo Next photo