Tony had brought in and suspects he might be responsible for the elevator damage, but determines that Ben might have more motive having been possibly hired to kill Sarah by her husband to keep her from leaving him broke.
Tony had brought in. He might be responsible for the elevator damage. This is what Tony suspects. Ben might have more motive. Ben was having been possibly hired to kill Sarah by her husband to keep her from leaving him broke. Tony determines this. Bowden finds a set of tools this.