The saga of Harambe the gorilla has not ended: The U.S. Agriculture Department, in an investigation into the Cincinnati Zoo’s Gorilla World enclosure, determined that the barrier around the exhibit did not meet federal standards. The Associated Press obtained a copy of the inspection report Thursday.

“The barrier had been in existence since 1978 with no updates, and while there had not been any issues prior to the May 28th incident, it became apparent on May 28th that the barrier was no longer effective,” said Tanya Espinosa, an Agriculture Department representative, in a statement to Cincinnati’s WLWT-TV. The investigation continues but has not found that the zoo acted inappropriately by responding with lethal force to the gorilla.

In the report, inspectors found that the wire cables of the barrier were not taut enough and could be “manipulated to an eight-inch gap” according to the AP. The bushes beyond the wires were no more than two feet tall, and then there is the 15-foot drop into the moat below.

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Responding to the review, the zoo issued a statement that read in part, “In its 38-year history, the barrier system at Gorilla World has always been found compliant during USDA inspections, including one conducted in April of 2016. Following the incident this May, we modified the barrier to reassure the public and our visitors.”

After Harambe’s death, the zoo boosted security around the ape exhibit. The Cincinnati Enquirer reported that the zoo added an extra six inches of fencing, bringing the total height of the barrier to three-and-a-half feet. The zoo installed a nylon mesh to prevent anyone from accessing openings in the cables, and installed security cameras as well.

The family of the child issued a statement to Cleveland WEWS-TV on Thursday, expressing gratitude for their son’s safety and calling the event a “tragic accident.”

The USDA’s findings, they said, “do not change anything for us.”