@ Mandle 
It is near to impossible to fit all the facts right now because not all of the circumstances have been revealed.
You are missing some urgent informations to get it solved at this point
@ SnarkySorry for the confusion on my side, Snarky.
It would have helped if you clarified the meaning of your question when I asked about that.
But nonetheless your cards playing cards is sorted/listed as soon as I found a meaning - just reread the „no“-list to find it.
@ allSo to clarify the aspect about the cards for all I'd like to tell you that it doesn't matter what kind of cards game was played.
They just needed to decide about a winner and everyone took a card from a dek (of whatever kind).
Note to self: Next time let them use matches instead of cards in that story.
@ CassiebsgYou will remember that one for sure! We just need someone to come up with the right questions.
CASE # 2:They found three dead bodies in the room, also a set of cards and a revolver.
What happened?Yes
Were they playing some form of Russian Roulette with the cards and the gun?
Had the revolver been fired by one of the people found dead?
Was (one of) the people shot?
They each drew a card ...
Did any of the three shoot themselves?
Did one of them shot himself?
… was it a suicide? No
Were (all of) the people shot?
Was there a 4th person playing cards and lost all his money so he shot the other 3 and fled with the money?
… was there signs of a robbery gone bad?
Did all three die of the same causes?
Were the cards playing cards?
… the one with the lowest card is going to be killed with the gun,
but before they can reveal their cards one guy picks up the gun and shoots the other two,
then he turns over the cards and realizes he had the lowest card then dies from a heart attack.
Had the gun been fired more than once?
Were the cards business cards?
Was one of the three people a magician?
Did at least one of the three people die of natural causes?
Did at least one of the three people die of poison?
Did at least one of the three people get stabbed?
Did at least one of the three people get bludgeoned?
Were there still bullets in the gun?
Did they play a game that they thought only one of them would survive?
Did one of the people shoot the two others?
Did they each look at their own card and assumed that they had won or lost?
If so (shot himself), was it an accident?
Did one of the men get busted for cheating at the game?
Did the third guy laugh himself to death?
irrelevant/don't know myself
did the dead bodies have money on them, …
Are the cards 'playing cards' of the suited 1-10 Jack Queen King Ace variety?