About 800,000 Honda Odyssey vans were recalled in 2017 because of a problem with second-row seats accidentally tipping forward. "Something has gone terribly wrong," on the second 911 call, Cincinnati Police Chief Eliot Isaac said at a Thursday news conference. "If there are deficiencies on the part of the 911 center operations, my mandate is to fix whatever needs to be fixed." He said a dispatcher was put on administrative leave and that the actions of all personnel involved will be reviewed. More: Family of Kyle Plush, Seven Hills student killed in minivan: 'He is unforgettable' 
 
 "This was a horrific tragedy. They arrived at the scene a few minutes later, but were unable to find the van. CINCINNATI -- Hamilton County Prosecutor Joseph Deters is launching a comprehensive investigation to determine what exactly went wrong that led to the death of a 16-year-old Seven Hills student in the school parking lot Tuesday afternoon. Around 9 p.m., according to police, a family member discovered him dead inside the van -- a death Hamilton County Coroner Lakshmi Sammarco would rule accidental "asphyxia caused by chest compression." He called 911 just after 3:15 p.m. Tuesday and told the 911 operator he was trapped and "in desperate need of help." More: Seven Hills death: Police got earlier call about someone stuck in a van 
 
 After that code was sent, Plush said "I'm trapped inside my gold Honda Odyssey van. Over the course of a three-minute call in which he gasped, cried repeatedly for help and struggled to communicate with the operator, he relayed that he was trapped inside his car in the parking lot of Seven Hills School. "Send officers immediately. I'm not available right now. The information released by police Wednesday afternoon did not clarify the reason the first deputy to respond was not able to find Plush's van or where Plush had been inside of it. A Hamilton County sheriff's deputy on traffic duty as school let out also checked around, police said. "He's been there for awhile," he said. More: 'I probably don't have much time left,' dying Seven Hills student says in 911 call 
 
 Plush was found by a family member around 9 p.m. in a parking lot near the school. Cincinnati... (Associated Press) 
 
 In this Tuesday night, April 10, 2018 photo, Cincinnati police investigate the scene where a boy was found dead in a minivan in the parking lot near the Seven Hills School campus in Cincinnati. The Enquirer/Cara Owsley Cara Owsley/The Enquirer 
 
 Unanswered questions 
 
 Why were police unable to locate Plush in the searches after his 911 calls? "We are missing a kid and apparently he's been found in his car in the parking lot," said one caller, who works for the school. An operator told the Hamilton County deputy it was "really hard to hear" the call, but it is unclear why information didn't make it to the officers on the scene.
– A horrifying—and perplexing—case out of Cincinnati: A 16-year-old boy died Tuesday after two panicked calls to 911 in which he relayed that he was trapped and dying inside his minivan in the parking lot of his school. "I probably don't have much time left, so tell my mom I love her if I die," Kyle Jacob Plush said in the first call, which came just after 3pm. He "gasped, cried repeatedly for help, and struggled to communicate with the operator" during that call, WCPO reports, but ultimately the call cut off. Officers went to the scene but couldn't find the van and thought the call might have been a joke. But Kyle called 911 again and insisted it was not: "I am trapped inside a gold Honda Odyssey van in the parking lot of Seven Hills," he said. "Send officers immediately. I'm almost dead." Kyle's body wasn't found until nearly six hours later, after his family was told he had not shown up to a tennis match as planned. His mom used an app to determine his phone was in the school parking lot; family members arrived there around 9pm to find him, unresponsive, in his unlocked car, the AP reports. A source tells Cincinnati.com he had climbed onto the third-row bench seat to retrieve tennis equipment from the back of the van when the seat flipped toward the back hatch, trapping Kyle upside-down beneath it. "The young man was trapped in the third row bench seat, and it [was] positional asphyxiation" that killed him, Hamilton County Prosecutor Joseph Deters said while announcing a comprehensive investigation into Plush's death. Police Chief Eliot Isaac called it a "horrific tragedy" and said something went "terribly wrong"; he said information from Kyle's 911 calls did not get relayed to officers at the scene, and Cincinnati.com reports the dispatcher, who has been placed on administrative leave, seemed to struggle to understand him. Police are investigating whether human error or an equipment malfunction played a role.