Preliminary autopsy results investigating the cause of death for truck driver Mark Santos shows diabetes played no part in his erratic, wrong-way drive down a busy Edmonton highway.
The brother of the driver, Jordan Santos, told CTV Edmonton earlier this week that Santos likely had low blood sugar at the time of the dramatic crash.
Jordan Santos said he didn't believe his brother was capable of hurting another human being.
Santos, 26, was killed after his truck travelled eastbound in the westbound lane of the Yellowhead Trail on Monday. After 20 frantic minutes in the wrong lane, his truck hit the median, spun out of control and plunged off the overpass. It burst into flames instantly.
Senior medical examiner Dennis Caulfied said he doesn't believe Santos would have been able to drive 30 kilometres down the highway without crashing if he had low blood sugar.
Caulfield said while the results cast a doubt on whether Santos was in a hypoglycemic state during, they are not complete and would not stand up in court.
Some motorists on the road, who were forced into the ditch to avoid the rogue truck, said they saw an angry, zoned-out Santos behind the wheel.
Police spokeswoman Karen Carlson said a number of theories will be tested during the investigation into the cause of the crash.
"They'll look back on an individual's medical history, their psychological history, they'll look at the vehicle ... so certainly when those things are eliminated it takes officers on a different trail," she said.
Caulfield said they will have a better idea on whether Santos had low blood sugar when more detailed toxicology results are complete in three to four months
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