A Houston man has been arrested and charged after allegedly fatally stabbing a 28-year-old mother and her 2-year-old child.Kendrick Rayvon Fisher, 29, has been charged with capital murder for the deaths, according to the Houston Police Department.On Friday at about 3:30 a.m, HPD officers were flagged down and notified that an adult female and child were being held hostage in an apartment, according to a news release.WOMAN IN US ILLEGALLY ALLEGEDLY DUMPS NEWBORN IN HOUSTON DUMPSTER, CLAIMS SHE HAD 'NO CHOICE'When officers entered the third-floor apartment, they found Fisher asleep on the couch. When conducting a safety sweep, they found