The husband of one of the teachers who died in the Robb Elementary School shooting died just days after the attack, according to the family.

Crosses with the names of Tuesday's shooting victims are placed in Uvalde, Texas.

Crosses with the names of Tuesday's shooting victims are placed outside Robb Elementary School. The photo was taken in Hong Kong.

ASSOCIATED PRESS

According to an update on a crowd funding website, JoeGarcia died Thursday morning as a result of a medical emergency.

The nephew of JoeGarcia said in a message that he was at a loss for words for how we are.

A close family friend told ABC News that Joe died of a heart attack.

The couple was going to celebrate their 25th wedding anniversary together this year and had four children together, according to the Uvalde Independent School District website.

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Austin believes that Joe died of a broken heart and that he lost the love of his life for more than 30 years.

Eva Mireles, another teacher who was killed in the attack, was co-teaching in the same classroom for five years with another teacher, who was named Irma. One of her students was found dead in her arms, and she died protecting her students. The teenager who killed 19 students and injured 17 others at the school crashed his truck into a ditch before walking into the school. It took about an hour for the U.S. Border Patrol tactical units to arrive and shoot the man. Video footage posted on social media appeared to show parents pleading with officers gathered outside the school to go inside, and one parent told the Associated Press he proposed charging into the school with other bystanders because the cops aren't doing anything like they are supposed to.

Uvalde police changed their story about the school shooting.

Here is what we know about the victims of the Texas school shooting.