M.J.

I. BACKGROUND

Z.J. (Minor) was born more than three weeks premature in late August 2015, had a low birth weight, and suffered from respiratory problems.2 His mother, M.C. (Mother), had tested positive for methamphetamine three times during her pregnancy, although both

1 All undesignated statutory references are to the Welfare and Institutions Code. 2 All events described below occurred between August 2015 and June 2016.

1 she and Minor tested negative at his birth.3 The day after Minor was born, Mother told a social worker she was living in a substance abuse treatment center, Love A Child Ministries, in Pittsburg, California. Mother said she had many supplies ready for the baby and would get the remaining items from a thrift shop down the street from her home. Mother and Minor left the hospital on September 3, and a social worker visited them at the substance abuse treatment center on September 11. The living environment was clean, organized, and equipped with all the necessary baby supplies. At some point after this visit, Mother left the substance abuse treatment center with Minor, providing no new address to the social worker. Their location was unknown for more than a…