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HIGHLANDS RANCH, Colo. — The football coach at Highlands Ranch High School resigned on the eve of the team’s season last week.

It came a day after Mark Robinson allegedly moved a player’s car off school property before a scheduled K-9 drug search, the Douglas County Sheriff’s Office said.

While a sheriff’s report shows no crime was committed, the facts still have parents and students wondering what was Robinson thinking.

According to the sheriff’s office, the former assistant principal and football coach drove off with a player’s car right before a drug search on campus on Aug. 24.

“At first I couldn’t believe it, but then I thought about it, and Robinson’s like the perfect person that really watches out for his students,” Highlands Ranch sophomore Emily Gochanour said.

Robinson told sheriff’s deputies he was leaving school property to put gas in the player’s car and he’d be right back.

When Robinson returned, he didn’t have the vehicle. According to the sheriff’s office, Robinson parked the car in front of his house.

K-9s did a sniff around the player’s car and labeled it as a positive hit, the sheriff’s office said.

“It’s a good thing he resigned because we don’t need our coaches being OK with players or students doing any kind of drugs,” parent Tammy Laurent said.

When the student was called in for questioning, he told deputies he left his car at home.

When deputies said they saw his car leaving the parking lot, the student said he gave Robinson the keys. The student said Robinson was going to get personal items.

Deputies told the student his car was a positive drug hit and asked if deputies could search inside. At first the student said yes, but then said he did not want anyone to search the vehicle.

Robinson resigned the next day. The school’s athletic director, Preston Davis, told the Colorado High School Activities Association that Robinson stepped down for another job and that “there’s no hard feelings either way.”

The sheriff’s office said no criminal charges will be filed. The incident will be handled by the Douglas County School District.