Experts like her are generally unsung heroes (= ???? people who find themselves not praised or well-known but need to be).

see also Fury at Mystery Assistance just after Trump shooter opens hearth from clear perch & video reveals brokers fumbling to ?????? obtain ex-prez to protection|"The plane landed Usually, and prospects ended up transferred to some substitution aircraft which departed to Lanzarote following a brief delay of about 1 hour,"