Thereupon Catiline, no longer able to endure the delay, resolved to hasten forth to Manlius and his army, and ordered Marcius and Cethegus1 to take their swords and go early in the morning to the house of Cicero on pretence of paying him their respects, and there to fall upon him and dispatch him.
Edition :
Plutarch Lives VII: Demosthenes and Cicero, Alexander and Caesar, ed. E. H. Warmington, trans. Bernadotte Perrin (The Loeb Classical Library 99), Cambridge - London 1967 (first ed. 1919).
Notes :
Because Cicero was guarded and accompanied by a bodyguard Catilina tries to have him killed by others and at his home.