In a regular feature of Post Investigations, our editors have combed through the in-depth and investigative reports from news outlets across the nation and selected the notable projects of the week.

Get the complete list (in no particular order) after the jump.

L.A. Labor Boss Spent Thousands on Family Businesses

California's largest labor union, SEIU local, and a related charity have paid hundreds of thousands of dollars to firms owned by the wife and mother-in-law of the organization's president, Tyrone Freeman, documents obtained and interviews conducted by The Los Angeles Times show.

The union spent another $300,000 last year on other high-priced luxuries, including a Four Seasons Resorts golf tournament, a Beverly Hills cigar club, and restaurants such as Morton's steakhouse, The Times' Paul Pringle reports.

Toledo Blade: Doctors Pressured to Side With Insurers Over Patients

A four-part series by the Toledo Blade found that doctors nationwide are struggling with insurers pressuring their patient relationships. Insurers have forced doctors to second-guess their decisions regarding prescriptions, treatments and surgeries, harming patients in the process, the Blade's Steve Eder and Julie M. McKinnon report.

EPA Program Not Collecting Consumer Safety Data

An Environmental Protection Agency program tasked with collecting safety data regarding chemicals from companies for consumers has failed to gather the information, according to the Milwaukee Journal. In some cases, the EPA's High Production Volume Challenge program, which began 10 years ago and promised to give consumers safety information about roughly 3,000 chemicals, hasn't collected a single document about some compounds, the Journal Sentinel's Meg Kissinger and Susanne Rust report.