Bona fides aside, absconded from the scene,
His quite manner and confidence let them agree
With the red lines all coming back clean
In the silence all that is left is a squee
Abscond (verb)
to depart secretly and hide oneself
Merriam-Webster
Bona fides (adjective)
good faith; absence of fraud or deceit; the state of being exactly as claims or appearances indicate
Dictionary.com
Squee (verb)of a person: to utter a high-pitched squealing sound expressive of delight or excitement
Oxford English Dictionary