Official: Missing $3 part may have led to student’s death

NEW ORLEANS (AP) — A Mississippi transportation official says the absence of a $3 part may have let tires roll off of a tractor trailer, killing a Tulane University student from Minnesota.
Office of Enforcement director Willie Huff tells The New Orleans Advocate that a locking washer designed to secure truck wheels was missing from the trailer. Two wheels joined together rolled into a rest stop, killing Margaret Maurer of Forest Lake, Minnesota.
Huff says the conclusion blaming the missing