Jonatan Hernández Gómez found a new kind of farm work in New York state at the end of a difficult journey from Chiapas, the mountainous rainforest at the southern tip of Mexico.

Instead of picking fruits and vegetables, he and his fellow migrant workers would help harvest the sun.

Every day, they woke up in company-provided hotel rooms and rode the company-provided bus to vacant land in St. Lawrence County, where they installed a solar farm for a company called LBFNY LLC, based in Cayuga County...

The NTSB is still investigating, but the agency has compiled thousands of pages of documents...

The NTSB has laid out a set of facts that show how the solar farm exploited loopholes in laws that regulate transportation and migrant labor.

The bus should not have been on the road.

The company refused to have the bus inspected, as is required under New York and federal law. The state and feds ordered the bus off the road. Instead of getting the required inspections, the company created a shell company and registered the bus in Montana — a state willing to issue license plates without inspections.

Seven months later, the bus crashed...

The company has not been charged with any crimes or traffic violations related to the crash. But the federal government fined the company $32,000 for a long list of safety issues discovered after the crash — retrofitted seats, a lack of seat belts and more.

The investigation also exposes gaps in U.S. labor laws intended to protect migrant workers. If the laborers had seasonal jobs in fruit and vegetable farming, a different set of laws would have applied...

Jim Begley owns the solar farm company. He did not respond to interview requests for this report. His brother Brian Begley answered the door at the company’s Weedsport headquarters and told Syracuse.com they had put the crash behind them...

[Driver] Diaz Baez, 25, had been driving all night for his job delivering auto parts to car dealerships, he told investigators. He had been working for the company Aero Global Logistics for three weeks...

A lawyer for Diaz Baez and Aero Global Logistics did not respond to interview requests.

State police said their investigation is over.

“A full investigation was completed on our end and at this time no crime was committed that we can prove,” Trooper Brandi Ashley said. “Accidents occur and tragedies happen. Not all fatal accidents result in criminal charges.”

The bodies of the six who died were returned to Mexico...