From The TimeSplitters Wiki

Marco the Snitch
Unlocked by	Beat challenge Fall Out with Gold
Species	Human
Size	Normal
Accuracy	2 of 10
Agility	7 of 10
Stamina	4 of 10
Fire Proof	N/A
Shock Proof	N/A
Default AI	2 Stars
Native TimeZone	1930s
First Appearance	TS2 Story Mode
Relations	N/A
Games	TS2

TS1 Gesture	N/A	TSFP Gesture	N/A
TS2 Gallery	Marco's turned coat and switched sides far too many times in his short career of crime. Even he can't remember who he's told what to! Sick with worry, he lives his life in constant fear of mob retaliation.	TSFP Gallery	N/A

In Chicago, Marco calls Jake Fenton to protect him as he heads to his house. In return he gives Jake the location of the Nightclub Passes so that Jake could continue on his mission to kill Big Tony.