Marco Antonio Sanchez, a 30-year-old Hispanic male, died in Dallas, Texas, on May 7, 2017. Born November 24, 1986, in Dallas to Carmen Sanchez and Santiago Gutierrez, he worked as a General Manager for McDonald’s and was survived by his wife Elizabeth and children Andrew, Marco Jr., Gilbert, Jasmine, and Erick. His siblings include Lizsandra Cortez and Abel Gutierrez.

Initial reports did not indicate foul play, but the investigation later determined Marco had suffered severe blunt force trauma. Authorities tied his injuries to a violent altercation before his death, identified several suspects and persons of interest, questioned and detained individuals, and reviewed surveillance and witness evidence as the inquiry continued.

What can readers who knew Marco or witnessed events in Dallas around May 7, 2017, add to the timeline or the list of people seen near him that night?