Police are looking for multiple suspects who tied up three family members during a home invasion yesterday morning. The family was reportedly sleeping when the suspects entered the home.The suspects demanded the family open a safe inside the home on the 1100-block of Knorr Street, and then fled with an undetermined about of money. Before leaving, the suspects tied the three victims up and pistol whipped one of them. One of the suspects may have dropped a ski mask on the way out.