Gregg's men, expecting a Confederate victory. Gregg's men abandoned their wounded and fell back to Jackson the next day; McPherson did not pursue, citing the difficulty of the terrain. The Union forces were also very disorganized. Anne Martin, a civilian resident of Raymond, reported that the Union soldiers occupying the town looted her house, and she wrote a letter to a family member stating that she had heard sounds of similar destruction from elsewhere in the town. Aftermath Reports of Union casualties vary between 442 and 446. The historians William L. Shea and Terrence J. Winschel supported the latter number and broke down casualties as 68 killed, 341 wounded, and 37 missing; Donald L. Miller agreed with this total, as did the historian Timothy B. Smith. The former figure was given by the historians Shelby Foote and Michael B. Ballard and the writer Winston Groom; in one work, Ed Bearss gave the total as 442 with a breakdown of 66 killed, 339 wounded, and 37 missing, although he also supported the 446 figure in a different work. Confederate losses were reported as either 514, with a breakdown of 72 killed, 252 wounded, and 190 missing, or 515 with the extra loss being another man killed. Another statement of Confederate casualties was provided by McPherson, who claimed to have captured 720 Confederates and found another 103 slain on the field. Smith attributed the 515 figure to Gregg's post-battle report, and notes that the casualty figures were later updated by a small amount. He also stated that it is likely that the exact number of casualties suffered during the battle will never be known. Confederate losses were heaviest in the 3rd Tennessee and the 7th Texas. In addition to the human casualties, the Confederates lost one of Bledsoe's cannons, which burst during the fighting. Union wounded were treated in field hospitals set up in local churches; a Confederate field hospital was run inside the Hinds County courthouse. Union losses represented about three percent of McPherson's force, while Gregg lost about sixteen percent of his. The fight at Raymond demonstrated to Grant that the Confederate force in Jackson was stronger than he had believed, leading him to decide that the Confederates there must be neutralized to allow him to attack Vicksburg without the risk of being caught between two Confederate armies. Thinking that McPherson's corps was insufficient to take Jackson on its own,