KANSAS CITY, Mo. — A little after 4 in the morning on a Tuesday last February, Carolyn Cordle emailed a few co-workers who had recently quit. The subject line: COUP. “I have downloaded everything that I think will be of importance,” Cordle wrote, according to a lawsuit filed in December in the U.S. District Court of Western Missouri. “If there is anything (else) you think we should have, please let me know and I will see if we have access.” In the days that followed, Cordle downloaded and emailed to herself and former employees a variety of confidential documents from Coversa, the health care …