Camera roll corruption?

i have bunch of these pics in camera roll.



thing don't know if lost pics or if added collection. if try message them or myself message , photo app crashes. it's every other , every third pic toward end of camera roll random.

see before?

tried reset (power + home) , still there. i'm afraid try deleting them until know what's going on.

 

here's camera roll looks like.

 

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