Other theories alleged that Carmen had hired Mark and his accomplice, Mason Hughes, aged 16, to kill her husband for $220,000 life insurance money. Mark Arthur is Presently Incarcerated Mark Arthur had also confessed to the police that he had returned to the crime scene later to steal the victim's wallet, which constituted only $23.. Contractual Agreements and Payment: While the precise details of the agreement between Carmen Fonseca and Mark Sam Arthur remain undisclosed in the available research, it's likely that a form of payment, whether financial or otherwise, was involved. This mirrors the common thread of a contractual element in many murder-for-hire cases.
Mark Arthur, 18, was convicted of capital murder last week for the slaying of Esequiel Fonseca, shot at least seven times as he drove home from work on Beltway 8 Dec. 21, 1996. Fonseca's wife, Carmen, 41, who had an affair with Arthur and, prosecutors allege, asked him to kill her husband, is awaiting trial.. Mark Arthur, 18, was convicted of capital murder last week for the slaying of Esequiel Fonseca, shot at least seven times as he drove home from work on Beltway 8 Dec. 21, 1996. Fonseca's wife, Carmen, 41, who had an affair with Arthur and, prosecutors allege, asked him to kill her husband, is awaiting trial.