During the last scene, after knowing and proving his full commitment to showing that Othello can become angry once he becomes suspicious, he then incorporates another informal trial . After having carefully laid all the foundations of the suspicions he implants against Cassio and Desdemona, step by step, making questionable comments and providing "evidence" when he believed it was necessary, he continues to during Act V where he hatched a plan to "ambushed". Cassio to kill him, as he makes it appear to Roderigo. Roderigo has been Iago's pet throughout the play, from the scenes where he woke Desdemona's father to tell him that his daughter had cheated on him to the moment when he made Roderigo provoke Cassio , which caused Cassio to lose his job and this is how the story begins. . So, at the beginning of Act V, Iago and Roderigo were waiting for Cassio to come from where he meets Bianca. To begin the end of his plan, Iago distances himself before the start of the confrontation between Roderigo and Cassio. Deceiving Roderigo into believing that he will help him, however to avoid being caught on the other end of the line, he keeps his distance and as he hears the commotion of his pet and Cassio , he rushes in and stabs Cassio in the leg as soon as Cassio stabs and wounds Roderigo then returns to the shadows. As two Venetian men meet in the streets, barely able to see anything due to the darkness of the street,