Item description:

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 2
Save 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