A vigil for the 51 lives lost in a human smuggling attempt was held at a San Antonio park Tuesday night. 

Organizers and attendees braved the pouring rain to make it to the vigil, something they say was necessary to process all that has recently happened.

RELATED: 51 migrants die after trailer abandoned in San Antonio heat  

Many of them said it's time for a change in the way immigrants come to the United States.

Three of the immigrants that had been rescued and transported to local hospitals in San Antonio died Tuesday, bringing the death toll to 51.

RELATED: San Antonio migrant deaths lead to slow effort to ID victims  

Forty-six people were found dead in an abandoned tractor-trailer Monday night. 

MORE COVERAGE: 

• Greg Abbott blames Joe Biden for migrant deaths, but the governor’s own border security efforts have fallen short
• Company says truck with dozens of dead people inside was “cloned,” according to report
• Biden calls migrant deaths 'horrifying and heartbreaking'
• 46 migrants found dead in abandoned trailer in San Antonio