The Brief Marcos Iriarte-Valdez, 36, is accused of fatally stabbing 68-year-old Todd Stewart outside his Martinez home, just one day after being released from jail. The man accused of fatally stabbing a 68-year-old Martinez man on his front lawn had been released from jail the day before the killing, authorities said. Marcos Iriarte-Valdez, 36, was arrested Friday evening in connection with the stabbing death of Todd Stewart, according to police. The following day, Wednesday, he was released on his own recognizance and referred back to home detention monitoring. Featured articleNeighbor says suspect's vehicle was there before attackPasternak said Stewart's wife noticed the suspect's vehicle outside their home before the attack.