C4M1 - Mission failed?

[synchro]

i thou8ght the bridge was a good choke point for my hvy weapon guys so placed them prone [w BARs] out of range of HMG then nabbed the village and plans etc. the AI must've guessed to outflank my two sneak guys by trying to cross the bridge and cross again behind them on the tree trunk so my BAR guys had a field day.
didn't even know there was a timer!

but those jungles are notorious for bypassed enemies. 3 enemy appeared out of nowhere behind me after the bridge blew and if i hadn't had the team grouped and crouched they would've been killed. sometimes on the tac map u can see an enemy but he's not 'boxed'. possibly that is the enemy being 'heard'? either way i think it's only fair the AI is capable of sneaking in the same way. MAKES the co-op game.