What possible motives would someone have to bomb the Boston marathon?

[Bypass]

What do you think the reason might be? Jihad? left wing extremism? Right wing extremism? Moderate extremism? Nutcase on a rampage? Or something more sinister?

 

[sv]

Inside job to pass legislation to prevent people from purchasing pressure cookers with out a background check

 

[the_great_white]

i think it had a lot to do with the hatred of tacos........