Marcus Johnson, a 31-year-old African American man from Houston, Texas, was found dead under suspicious circumstances on October 13, 2015. The autopsy detected narcotics in his system.

The investigation led to the arrest on December 23, 2015, of 39-year-old Marcus Clifton Johnson in Pasadena, Texas. He was charged with tampering with or fabricating physical evidence involving a human corpse; during the arrest Harris County officers also found narcotics and a firearm, prompting additional possession charges in Harris County. Liberty County had issued the warrant, and the Liberty County Sheriff’s Office has been working with the Texas Rangers and the FBI. Authorities said the probe was ongoing and more arrests were expected.

Are there witnesses or local information that could help clarify what happened to Marcus Johnson?