In Vlad's Bakery, Either you kill the Cheap-Suited Thug or not, it won't interrupt the process of any masks you want to get, You can play it however you want, The Bank is the important part.

-First, You want to send Dallas in, it doesn't matter how the Cheap-Suited Thug or Garth distract the guard

-Secondly, After you take advantage of the situation you wanna choose the [TAKE A LOOK INSIDE] option, Dallas will go to the bathroom to place the knockout gas

-Then, After he placed the gas, he'll hear footsteps and whistling noises, You want to choose the [WAIT UNTIL THE GUARD IS CLOSE, THEN DROP DOWN ON HIM] option, what matter is that Dallas need to knock out the guard

-Now, It doesn't matter what choice you make, You can either hide the body or make it look like an accident.

-And now you should get the PAYDAYCON 2015 Mask.

-Same as before, You're gonna send Dallas in, It doesn't matter how the Cheap-Suited Thug or Garth distract the guard

-Now you wanna choose the [FORGET ABOUT IT AND KEEP GOING] option, He will go to the back of the bank and onto the roof

-Just like before, a guard will come and now you'll choose [QUICKLY JUMP BACK UP AND HIDE ON THE ROOF]

-If you follow my instructions perfectly, Dallas should've escaped perfectly and goes back to the van and now you should get the PAYDAYCON 2016 Mask

-This time, You're gonna send Duke in instead, As always it doesn't matter how The Cheap-Suited Thug or Garth distract the guard

-After they distracted the guard, Duke will go inside and walk up to a counter and make an account, it doesn't matter how much you make the deposit

-Then, There's gonna be a loud commotion at the bank entrance, He will pull out the security bug and you want to drop it into a potted plant

-And there you go, you should have the Mega Sydney Mask code

-Just like the last step this one is simple enough instead of dropping the security bug into the potted plant, You will secretly sticks it under a counter

-And that's it, you get the Alienware Alpha Mask Pack

I hope you find this guide useful, feel free to leave a comment and thanks for reading my guide!