Michigan State Police investigate a couple accused of abusing their adopted children, according to reports describing evidence found during a search of the couple’s home. The investigation involves allegations that the children were confined using restraints and cages. During the search, police reportedly found a homemade straitjacket and security alarms attached to a bedroom door, elements described as part of the alleged confinement system. Reports also say the home contained dog cages that were used to hold the children. The sources state that Michigan State Police carried out the search and documented these items as part of the case. The articles focus on the physical restraints and confinement methods allegedly used against the children, rather than detailing charges or court outcomes. The case remains under investigation, and the reports describe the police search and the items allegedly connected to the allegations. The couple is not identified in the provided excerpts, and no additional procedural details are included beyond the fact that police searched the home and found the reported materials.