Before he found his mother on the floor of their apartment suffering from multiple stab wounds, Meriam Carcamo’s teenage son told police, his stepfather, Marcelo Carcamo Lopez, extended to him a knife, handle first, and asked him to touch it, Deputy Prosecutor Ashley Tanaka told a state judge Wednesday.

Tanaka said this after an Oahu grand jury returned an indictment charging Carcamo Lopez with murder in connection with his 42-year-old wife’s May 23 death.

Circuit Judge Colette Garibaldi confirmed Carcamo Lopez’s bail at $1 million. Carcamo Lopez, 41, has been in custody since his arrest shortly after an ambulance took his wife to a hospital in critical condition.

Tanaka said Carcamo Lopez and his wife had been arguing throughout the day behind the bedroom door of their one-bedroom, lower Makiki apartment they shared with Carcamo’s 16-year-old son, Mark Rizan.

Honolulu police said the arguing escalated, and then ended when Carcamo Lopez left the Young Street apartment. Rizan found his dying mother after breaking down the locked door to the bedroom. He called 911 and began performing cardiopulmonary resuscitation. A city ambulance transported Carcamo to The Queen’s Medical Center, where she later died.

Tanaka said the Honolulu Medical Examiner determined that Carcamo died from the stab wounds. She said police found a knife in the apartment that had a bent tip with no blood on it but also found a cloth with apparent bloodstains on it. She said Rizan doesn’t remember whether he touched the knife that his stepfather extended to him.

Police arrested Carcamo Lopez when he returned to the apartment.