article_snippet: The Tsarnaev brothers reportedly learned how to build a pressure-cooker bomb from a jihadi magazine, but apparently that guide didn't include a step instructing The Tsarnaev brothers to throw out evidence of The Tsarnaev brothers purchases.
article_snippet: Dzhokhar Tsarnaev's older brother Tamerlan's wallet, which contained receipts for bomb-making ingredients.
article_snippet: Three people were also shown images of older brother Tamerlan's wallet (above)
article_snippet: Tamerlan's (left) wallet contained receipts from a gun and ammo store and for two backpacks at target.
article_snippet: Also in the wallet was a MoneyGram receipt reflecting a $900 transfer to Russia by Tamerlan.