FOX LAKE – The president of the Fox Lake police union spoke out Tuesday on behalf of the department amid the investigation into Lt. Joseph Gliniewicz and the review of the police department as a whole.

Fox Lake Fraternal Order of Police Lodge 90 President Bill Monsen said members were extremely disappointed when they learned Gliniewicz, a 30-year police veteran, had been stealing from the Fox Lake Explorer Post 300 for years.

Lake County police investigating Gliniewicz's Sept. 1 shooting death said Nov. 4 that Gliniewicz staged his suicide to look like a homicide after months of mounting fear his embezzlement would be discovered.

"Lt. Gliniewicz's actions are an insult to the integrity, honor and pride that each member of the Fox Lake Police Department brings to the job each and every day," Monsen said in a statement.

The Lake County Sheriff's Office is handling the investigation into Gliniewicz's financial crimes and determining whether anyone else was culpable in the theft of what investigators said was a "high five-figure" amount.

"It's moving forward," Lake County Sheriff's Detective Chris Covelli said. "There is a team of several investigators assigned to the case, and they are making progress."

Lake County investigators refuse to comment on the family's involvement. However, it is believed police are investigating Gliniewicz's wife, Melodie, and oldest son, D.J., in connection to the thefts.

The law firm representing Melodie Gliniewicz said Tuesday that the Lake County State's Attorney's Office has frozen her personal bank accounts, according to multiple news sources.

When the investigation is complete, Covelli said police would hand it over to the Lake County State's Attorney's Office for review. He did not know when the investigation would come to a close.

Entirely separate from Lake County's investigation, Fox Lake Village Administrator Anne Marrin is conducting an internal review and audit of the police department's policies, procedures and inventory. That inventory includes items Gliniewicz obtained through the federal Law Enforcement Support Office by forging former chief Michael Behan's signature.

Text and Facebook messages from Gliniewicz during the six months leading up to his suicide show his anxiety escalating over Marrin's review. Investigators have said he talked about putting "a hit" on Marrin or planting things on her.

In his statement, Monsen offered his full support to Marrin's review, as well as the work of interim Chief Michael Keller and interim Deputy Chief Scot Kurek, Lake County police officers who were appointed to their roles in the days after Gliniewicz's death.

"They are working tirelessly to bring a refreshing degree of integrity and administrative insight to the department, which FOP Lodge 90 members wholeheartedly welcome," Monsen said in the statement. "We will continue to stand with and assist them as we move to restore public trust in law enforcement."

Monsen had no comment on Gliniewicz's personnel records, which show a history of drunken misconduct, sexual harassment and other misdoings. Gliniewicz had been suspended several times, but despite his history moved through the police department's ranks.