counterfeit	fake
swoop a place	to go somewhere witjout warning
a probe	an investigation
to pose as	to pretend to be someone else
fatality	deaths
tighten	make sth stricker
unwitting	not knowing/realising sth
fraudulent	dishonest
to deceive, defraud	to trick sb
strains of	types of
tip-off	a secrec warning
satisfy your hunger	poskromić głód
to mount	to plan/organize sth
home in on sth	to direct your attention/ efforts towards sth
stringent	very strict
trawl	to search through sth i order to find out sth
culprit	the guilty person
ludicrous	ridiculous
substantiate	to justify, give argumentns to your claims
have a raging thirst	mieć wielkie pragnienie
quench your thirst	ugasić pragnienie
feel faint with hunger	umierać z głodu
work up a big appetite	mieć apetyt po wielkim wysiłku
be a big/fussy eater	być głodomorem
do sth a full/ on an empty stomach	mieć pełny/pusty żołądek