The only people I can see Tanya covering for is a) one of her kids or b) sean slater...
bear with me on this.. say for instance Lauren did see Tanya in the car but she wasn't driving... Sean took her place at last minute (would explain the look between them) ... now why would tanya cover for him?? well she has no previous and if Sean is arrest the whole burying Max would come out.. We all know Sean is leaving so it was a switch before the accident and it was Sean not Tanya who tried to kill him... (bit far fetched I know but Parkerman, if not nick then it is Den haha)

