Man accused of slitting mother’s throat plans to mount insanity defense

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ALBUQUERQUE, N.M. (KRQE) – The man accused of stabbing and then throwing his mother into the Rio Grande River has been ruled competent to stand trial, but his attorneys are planning an insanity defense.

Martin Montano allegedly slit the throats of his mother and her roommate at her northeast heights home, then put them in the trunk of a car and drove to the Central Avenue bridge. Police say Montano then threw his mother into the river but was stopped before he could throw her friend in.

Both women survived. Montano claimed he was trying to kill them because they were clones.

Montano was sent to the state mental hospital after his arrest and has since been ruled competent. Wednesday in court his attorneys revealed that they are working on an insanity defense, trying to prove that he’s not guilty by reason of insanity.

Prosecutors say they have a long list of witnesses including doctors that will dispute that.

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