A step can be an investigation.Logical formLearned from15 sentences. Allegation may undergo an investigation.Logical formLearned from15 sentences. Work may include investigations.Logical formLearned from15 sentences. Investigations can be topical.Logical formLearned from15 sentences. Lapses can be in an investigation.Logical formLearned from15 sentences. Investigation can be by authorities.Logical formLearned from15 sentences. Persons may open investigations.Logical formLearned from15 sentences. An investigation can be into incidents.Logical formLearned from15 sentences. A (law enforcement investigation) can be authorized.Logical formLearned from15 sentences. Methods can be for investigation.Logical formLearned from15 sentences. A (fund raising) may undergo an investigation.Logical formLearned from15 sentences. Procedures may include (complaint investigations).Logical formLearned from15 sentences. Chemical substances may be encountered in (hygiene investigations).Logical formLearned from15 sentences. Investigations can be by attorneys.Logical formLearned from15 sentences. Investigations can be into allegations of corruption.Logical formLearned from15 sentences.