In February, 1778, Ross once again accompanied Joshua Spooner, this time on an extended trip to Princeton, New Jersey, taking with him a bottle of nitric acid, which he planned to use to poison Spooner.
In February, 1778, Ross once again accompanied Joshua Spooner, this time on an extended trip to Princeton, Massachusetts, where Spooner owned a potash business. Ross brought along a bottle of nitric acid, given to him by Bathsheba, which he planned to use to poison Spooner.