Fugitive On The Run For Alleged Brutal Murder Of San Antonio Mom On Easter Weekend

Isaac Estrada is very small. He only stands 5 feet 1 inches and weighs around 100 pounds. It's possible, according to investigators, he allegedly targeted the victim because she was smaller in size and he could overtake her. If you know anything about where Isaac Estrada is hiding out, please call our hotline. Host John Walsh guarantees you can remain anonymous: 833-378-7783 (3-PURSUE).

September 15, 2021

Isaac Estrada [San Antonio PD]

Isaac Estrada [San Antonio PD]

By: Michelle Sigona

It was Easter weekend in 2015 when 23-year-old Courtney Phillips was on a road trip through Texas. Courtney, originally from Dallas, made her way a few hundred miles away to San Antonio with a friend.

For Courtney, who is described as spontaneous, fun and very outgoing, jumping in the car for a road trip was not out of the ordinary. Also, meeting new people online was not out of character either. Courtney connected with a single guy in San Antonio. The pair agreed to meet up for a date, but at some point, things took a horrific turn.

When Courtney didn't respond to the friend she was traveling with, the friend went looking for Courtney and found her at a residence. When the friend looked through the window, Courtney was unresponsive. According to Detective Mark Duke from the San Antonio Police, it was at this point that a call was placed to 911.

When police and first responders arrived, they discovered that Courtney suffered from multiple stab wounds and lost a tremendous amount of blood. Investigators said the blood trail was long and Courtney's cell phone and purse were both located at the scene.

Detective Lawrence Sazil, who also worked the case with the San Antonio Police, said the attack was aggressive and brutal - it was "overkill."

Isaac Estrada [US Marshals]

Isaac Estrada [US Marshals]

Examining Courtney's cell phone ultimately led detectives to the last person she had contact with: 19-year-old Isaac Estrada. Authorities say prior to Courtney's murder they learned about another victim Estrada allegedly attacked, but that the victim was able to escape.

San Antonio Crime Reporter Yami Virgin told In Pursuit with John Walsh, "It was a gruesome crime scene, if he didn't know her personally, if he didn't have a beef with her already, why would it be brutal? Why would he take that amount of anger out on a person he had never met?"

After the murder it was possible Estrada went to California and the US Marshals said his cell phone records confirmed he traveled to the West Coast. Estrada's brother lived in Perris, CA. Although Marshals went into a home in Perris where they believed he was staying, Estrada was gone. The US Marshals said they missed him by only a week.

After California, investigators believe Estrada hopped across the border into Mexico. Investigators say that in February 2016 Estrada popped up in Guadalajara, Mexico and was living a new life. It seemed, according to their investigation, Estrada had a new girlfriend and was connected to his family. In 2019, investigators tracked him down to a home in the area, but they missed him again by only a short window.

Estrada is small. He only stands 5 feet 1 inches tall and weighs 105 pounds. He has a tattoo on his left forearm with the name "Keeper" and on the other arm it says "Brother." Investigators working this case believe it's possible Estrada targeted Courtney because of her smaller size. Investigators said Estrada is known to smoke marijuana and may possibly abuse prescription medication.

If you know anything about where Isaac Estrada is hiding out, please call or text our hotline with your tips. Host John Walsh guarantees you can remain anonymous: 833-378-7783 (3-PURSUE).

HEIGHT: 5 feet 1 inches tall

WEIGHT: 105 pounds

HAIR: Black / brown

EYES: Brown

DOB: September 9, 1996


CONNECTED TO: San Antonio, TX, Perris, CA, Mexico

CHARACTERISTICS: Known to smoke marijuana and possibly abuses prescription medication like Xanax.

Images of Isaac Estrada provided by the San Antonio PD.

Next Up

Fugitive Erik Arceneaux Is Wanted For Murder Of Girlfriend In Houston, TX

Erik Arceneaux speaks English and Spanish and has close ties to Louisiana. If you know where he’s hiding, text our hotline 24/7: 833-78-7783 (3-PURSUE).

Texas Woman Wanted For Hiring A Hitman To Kill Husband

Margaret Lorrain Smith stands 5 feet 6 inches tall and weighed 185 pounds when she vanished. She has a mole on the right side of her hairline and a small mole under her right eye. She's currently on the Texas Department of Public Safety's Top 10 Most Wanted for capital murder. If you know where she's hiding out, please call our hotline. Host John Walsh guarantees you can remain anonymous: 833-378-7783 (3-PURSUE).

Suspect For Whom Two Murder Warrants Issued in Austin Cases is Also Implicated in Third Murder in Mexico

Two murder warrants issued for same suspect in a six month period. Authorities were also looking into the possibility that Pedro Espinoza was allegedly involved in another murder in Mexico. If you have any information on Espinoza please contact our hotline directly. You can always remain anonymous and you can text information 24/7: 833-378-7783 (3-PURSUE).

Carlos Torres Wanted For Allegedly Killing Girlfriend, On The Run Since 2014

Investigators say Carlos Torres is a skilled electrician with a tribal tattoo on his right shoulder. Torres is charged with murder and has been on the run from Houston, TX since 2014. Have you seen him? Please call or text: 833-378-7783 (3-PURSUE).

UPDATE: Fugitive Wanted For Killing Mother Of His Child Is In Custody

Brian Ontiveros was a San Antonio, TX fugitive wanted for allegedly killing the mother of his child in 2019.

UPDATE: Fugitive From Texas Wanted For Murder And Rape Arrested

Hector Ramirez-Lopez is in custody and faces felony charges for murder and sexual assault-rape.

Hunt Continues For Fugitive Who Murdered 18-Year-Old Na'Kia Crawford In Ohio

Investigators say Adarus Black has connections to Ohio, Tennessee, Michigan and California. His arms are covered in tattoos. If you have any information on his whereabouts, please call or text the IN PURSUIT hotline. John Walsh guarantees you can remain anonymous: 833-378-7783 (3-PURSUE).

Fugitive Allegedly Kills Wife After Meeting Through Prison Pen Pal Program

The Phoenix Police created an age enhanced photo of what William "Bubba" Plemons may look like today. If you have any information on this ex-convict, career criminal, please contact our hotline directly. You can always remain anonymous and you can text information 24/7: 833-378-7783 (3-PURSUE).

5 Things To Know About Andrea Yates, The Mom Who Drowned Her 5 Kids In The Bathtub

On June 20, 2001, mother of five Andrea Yates drowned her children, who ranged in age from six months to seven years, in the bathtub at her home in Houston, Texas.

True Crime News Roundup: Pregnant Woman Fatally Shot Two Weeks Before Her Due Date

Plus: Brian Laundrie’s father joins the search for his fugitive son; a group of investigators believe they’ve identified the Zodiac Killer; and a convicted con man on the run for decades is possibly spotted at a Dodgers game.

Featured Cases

More Missing