The Orsini attempt widened the legal field of repression.
Napoleon III’s Second Empire already restricted republican opposition, but political control still operated through the existing institutions of the regime.
Felice Orsini’s January 1858 attempt on the emperor’s life produced a national security crisis even though the attack’s immediate political objective concerned Italian nationalism.
The February 1858 General Security Law expanded the government’s ability to arrest, deport or otherwise punish political suspects; historical scholarship traces its application well beyond the small circle directly responsible for the attack.
A failed attack can change the state more than it changes the target: the legal category of “security” can expand to absorb a much wider opposition.