A Kansas father admitted he left a handgun within reach of his young daughters before his 3-year-old child fatally shot her 1-year-old sister inside the family’s Wichita home, according to court records and a police affidavit.Michael Tejeda, 26, pleaded guilty last week to second-degree murder, criminal possession of a weapon by a convicted felon and two counts of aggravated child endangerment in connection with the February 2025 shooting, accor…