The ex-boyfriend of a Mount Prospect woman who was found dead in Busse Woods Forest Preserve over the weekend has been charged with concealing her death.Juan Pio Toto, 26, is charged with felony concealment of a death, authorities said Tuesday.Atalia Pucheta Martinez, 23, was reported missing Saturday. Soon after, the Cook County sheriff’s office and the Cook County Forest Preserve police conducted a death investigation at the Busse Woods Forest Preserve where Pucheta Martinez’s body was discovered Saturday morning.Mount Prospect police interviewed Pucheta Martinez’s ex-boyfriend, Pio Toto. He told police the two had an altercation in the parking lot outside of their apartment when she hit her head the morning she was reported missing.For more on this story, visit DailyHerald.com.