diff --git a/cmd/power_user.go b/cmd/power_user.go
index c924f361d..56e705632 100644
--- a/cmd/power_user.go
+++ b/cmd/power_user.go
@@ -4,20 +4,17 @@ import (
 	"fmt"
 	"os"
 
-	"github.com/anchore/syft/internal/formats/syftjson"
-
-	"github.com/anchore/syft/syft/artifact"
-	"github.com/gookit/color"
-
-	"github.com/anchore/syft/syft/sbom"
-
 	"github.com/anchore/stereoscope"
 	"github.com/anchore/syft/internal"
 	"github.com/anchore/syft/internal/bus"
+	"github.com/anchore/syft/internal/formats/syftjson"
 	"github.com/anchore/syft/internal/log"
 	"github.com/anchore/syft/internal/ui"
+	"github.com/anchore/syft/syft/artifact"
 	"github.com/anchore/syft/syft/event"
+	"github.com/anchore/syft/syft/sbom"
 	"github.com/anchore/syft/syft/source"
+	"github.com/gookit/color"
 	"github.com/pkg/profile"
 	"github.com/spf13/cobra"
 	"github.com/wagoodman/go-partybus"
diff --git a/internal/formats/spdx22json/to_format_model.go b/internal/formats/spdx22json/to_format_model.go
index b1ea09f1e..b12bd992a 100644
--- a/internal/formats/spdx22json/to_format_model.go
+++ b/internal/formats/spdx22json/to_format_model.go
@@ -8,18 +8,16 @@ import (
 	"strings"
 	"time"
 
-	"github.com/anchore/syft/syft/file"
-
-	"github.com/anchore/syft/syft/artifact"
-
-	"github.com/anchore/syft/syft/sbom"
-
 	"github.com/anchore/syft/internal"
 	"github.com/anchore/syft/internal/formats/common/spdxhelpers"
 	"github.com/anchore/syft/internal/formats/spdx22json/model"
+	"github.com/anchore/syft/internal/log"
 	"github.com/anchore/syft/internal/spdxlicense"
 	"github.com/anchore/syft/internal/version"
+	"github.com/anchore/syft/syft/artifact"
+	"github.com/anchore/syft/syft/file"
 	"github.com/anchore/syft/syft/pkg"
+	"github.com/anchore/syft/syft/sbom"
 	"github.com/anchore/syft/syft/source"
 	"github.com/google/uuid"
 )
@@ -173,8 +171,7 @@ func toFiles(s sbom.SBOM) []model.File {
 		results = append(results, model.File{
 			Item: model.Item{
 				Element: model.Element{
-					SPDXID: string(coordinates.ID()),
-					// TODO: this is encoding layer id... is there a better way?
+					SPDXID:  string(coordinates.ID()),
 					Name:    filepath.Base(coordinates.RealPath),
 					Comment: comment,
 				},
@@ -231,7 +228,7 @@ func toFileTypes(metadata *source.FileMetadata) (ty []string) {
 		ty = append(ty, string(model.ArchiveFileType))
 	}
 
-	// TODO: source, spdx, and documentation
+	// TODO: add support for source, spdx, and documentation file types
 	if len(ty) == 0 {
 		ty = append(ty, string(model.OtherFileType))
 	}
@@ -244,7 +241,7 @@ func toRelationships(relationships []artifact.Relationship) (result []model.Rela
 		exists, relationshipType, comment := lookupRelationship(r.Type)
 
 		if !exists {
-			// TODO: should we warn about lossyness here?
+			log.Warnf("unable to convert relationship from SPDX 2.2 JSON, dropping: %+v", r)
 			continue
 		}
 
diff --git a/internal/formats/syftjson/encoder.go b/internal/formats/syftjson/encoder.go
index d6c287494..b358554ac 100644
--- a/internal/formats/syftjson/encoder.go
+++ b/internal/formats/syftjson/encoder.go
@@ -8,7 +8,6 @@ import (
 )
 
 func encoder(output io.Writer, s sbom.SBOM, appConfig interface{}) error {
-	// TODO: application config not available yet
 	doc := ToFormatModel(s, appConfig)
 
 	enc := json.NewEncoder(output)
diff --git a/syft/pkg/cataloger/catalog.go b/syft/pkg/cataloger/catalog.go
index a78784056..4156b740f 100644
--- a/syft/pkg/cataloger/catalog.go
+++ b/syft/pkg/cataloger/catalog.go
@@ -45,7 +45,6 @@ func Catalog(resolver source.FileResolver, theDistro *distro.Distro, catalogers
 	catalog := pkg.NewCatalog()
 	var allRelationships []artifact.Relationship
 
-	// TODO: update to show relationships
 	filesProcessed, packagesDiscovered := newMonitor()
 
 	// perform analysis, accumulating errors for each failed analysis
@@ -60,7 +59,6 @@ func Catalog(resolver source.FileResolver, theDistro *distro.Distro, catalogers
 
 		catalogedPackages := len(packages)
 
-		// TODO: update to show relationships and files
 		log.Debugf("package cataloger %q discovered %d packages", theCataloger.Name(), catalogedPackages)
 		packagesDiscovered.N += int64(catalogedPackages)
 
@@ -71,7 +69,6 @@ func Catalog(resolver source.FileResolver, theDistro *distro.Distro, catalogers
 			// generate PURL
 			p.PURL = generatePackageURL(p, theDistro)
 
-			// TODO: break out into another function (refactor this function)
 			// create file-to-package relationships for files owned by the package
 			owningRelationships, err := packageFileOwnershipRelationships(p, resolver)
 			if err != nil {
@@ -113,9 +110,11 @@ func packageFileOwnershipRelationships(p pkg.Package, resolver source.FilePathRe
 			return nil, fmt.Errorf("unable to find path for path=%q: %w", path, err)
 		}
 
-		// if len(locations) == 0 {
-		//	// TODO: this is notable, we should at least log it(?)... however, ideally there is something in the SBOM about this
-		// }
+		if len(locations) == 0 {
+			// TODO: this is a known-unknown that could later be persisted in the SBOM (or as a validation failure)
+			log.Warnf("unable to find location which a package claims ownership of: %s", path)
+			continue
+		}
 
 		for _, l := range locations {
 			relationships = append(relationships, artifact.Relationship{