Ecklie and night shift supervisor Gil Grissom have a very rocky relationship throughout the series , with Grissom claiming Ecklie is more concerned with advancement than evidence .
Ecklie maintaining that night shift supervisor shows favoritism toward Ecklie 's 's subordinates .
Ecklie and night shift supervisor Gil Grissom have a very rocky relationship throughout the series , with Grissom claiming Ecklie is more concerned with advancement than evidence , and Ecklie maintaining that Grissom shows favoritism toward his subordinates .