The following saves can be used to unlock
Grand Master
Information is Power
Jack of all Trades
Absolution
Save 1
Save 1 is to unlock Grand master, It is at 99 challenges so just do any of the challenges that haven't been done and it will pop
Save 2Save 2 is to unlock that other 3 achievements listed above just follow the instructions below
Absolution - Continue the campaign and finish the last level by killing the 3 targets then blowing up the door ( Do it stealthy and look out for the trip wires/lasers
Information is Power - There's 2 evidence left
Go to level select and load Absolution - Cemetery Entrance
Jump off the edge and follow the path leading down, The last statue on the right will have the evidence on it
Go to level select again and pick Hunter and Hunted - Courtyard
Make your way outside into you see Police cars, Its on the bonnet of the middle one
Jack of all Trades - Unlock Pitcher
If this works for you give me a heads up because I'm not sure if its glitched or not
Download
Download Link