You're asking me if it is possible for a person to use a ballpoint pen to set off a chain of events that culminates in someone getting killed by a bus twice?
n. a pen which has a small metal ball as point of transfer of ink to paper, at the tip of a cylandrical and non-refillable reservoir of ink; -- short for ballpoint pen. Syn. --ballpoint pen, ballpen, Biro. [ WordNet 1.5 ]