Nicholas Alexander Johnson has been arrested and charged with the murder of his parents
Officials said the bodies of Gary Johnson, 64, and Laura Johnson, 65, were found at Gourdneck State Game Area in Portage on Friday
Johnson has also reportedly been named a person of interest in the 2018 disappearance of Bonifacio Pena
On top of his open murder charges, Johnson is also charged with two counts of felony firearm and one count for possession of a firearm
Nicholas Johnson (left), 27, has been declared a person of interest in the case of his missing parents - Gary and Laura Johnson. Police in Portage, Michigan, believe they were murdered.