House by house, Eugene Bynum is hopeful someone has seen 21-year-old Diamond Bynum and 2-year-old King Walker.
Saturday is Day 13 since the two people have been missing from their family and loved ones.
Family members believe the developmentally disabled woman, who needs medication, took her nephew on a walk and got lost.
Last weekend police got a tip that the pair was spotted at a bus stop. Authorities called off their search last week, but the family isn't giving up, searching every square inch of Gary, Ind.